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Cover - shares	6 Months Ended
Cover - shares	Mar. 31, 2020	Apr. 17, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2020
Document Transition Report	false
Entity File Number	1-11689
Entity Registrant Name	Fair Isaac Corp
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-1499887
Entity Address, Address Line One	181 Metro Drive, Suite 700
Entity Address, Postal Zip Code	95110-1346
Entity Address, City or Town	San Jose,
Entity Address, State or Province	CA
City Area Code	408
Local Phone Number	535-1500
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	FICO
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		29,003,489
Entity Central Index Key	0000814547
Current Fiscal Year End Date	--09-30
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Current assets:
Cash and cash equivalents	$ 108,966	$ 106,426
Accounts receivable, net	307,307	297,427
Prepaid expenses and other current assets	67,398	51,853
Total current assets	483,671	455,706
Marketable securities	19,544	20,222
Other investments	1,594	1,643
Property and equipment, net	59,491
Property and equipment, net		53,027
Operating leases	87,142
Goodwill	804,650	803,542
Intangible assets, net	11,177	14,139
Deferred income tax	7,097	6,006
Other assets	77,766	79,163
Total assets	1,552,132	1,433,448
Current liabilities:
Accounts payable	25,306	23,118
Accrued compensation and employee benefits	68,507	106,240
Other accrued liabilities	62,605	32,454
Deferred revenue	114,406	111,016
Current maturities on debt	209,000	218,000
Total current liabilities	479,824	490,828
Long-term debt	738,632	606,790
Operating leases	77,485
Other liabilities	42,040	46,063
Total liabilities	1,337,981	1,143,681
Commitments and contingencies
Stockholders’ equity:
Preferred stock ($0.01 par value; 1,000 shares authorized; none issued and outstanding)	0	0
Common stock ($0.01 par value; 200,000 shares authorized, 88,857 shares issued and 29,082 and 28,944 shares outstanding at March 31, 2020 and September 30, 2019, respectively)	291	289
Additional paid-in-capital	1,169,217	1,225,365
Treasury stock, at cost (59,775 and 59,913 shares at March 31, 2020 and September 30, 2019, respectively)	(2,930,165)	(2,802,450)
Retained earnings	2,069,857	1,956,648
Accumulated other comprehensive loss	(95,049)	(90,085)
Total stockholders’ equity	214,151	289,767
Total liabilities and stockholders’ equity	$ 1,552,132	$ 1,433,448

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2020	Sep. 30, 2019
Statement of Financial Position [Abstract]
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	88,857,000	88,857,000
Common stock, shares outstanding	29,082,000	28,944,000
Treasury stock, shares	59,775,000	59,913,000

CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Revenues	$ 307,971	$ 278,234	$ 606,475	$ 540,490
Operating expenses:
Cost of revenues	88,139	85,568	178,897	161,634
Research and development	39,439	37,684	78,382	73,110
Selling, general and administrative	103,465	104,930	215,486	205,188
Amortization of intangible assets	1,202	1,503	2,998	3,005
Restructuring and acquisition-related	0	0	3,104	0
Total operating expenses	232,245	229,685	478,867	442,937
Operating income	75,726	48,549	127,608	97,553
Interest expense, net	(11,254)	(10,008)	(21,022)	(19,684)
Other income (expense), net	(2,008)	1,433	(2,227)	(739)
Income before income taxes	62,464	39,974	104,359	77,130
Income tax provision (benefit)	4,176	6,593	(8,850)	3,742
Net income	58,288	33,381	113,209	73,388
Other comprehensive gain (loss):
Foreign currency translation adjustments	(19,056)	2,925	(4,964)	(340)
Comprehensive income	$ 39,232	$ 36,306	$ 108,245	$ 73,048
Earnings per share:
Basic (in dollars per share)	$ 2.00	$ 1.15	$ 3.89	$ 2.53
Diluted (in dollars per share)	$ 1.94	$ 1.10	$ 3.76	$ 2.42
Shares used in computing earnings per share:
Basic (in shares)	29,194	29,074	29,109	29,017
Diluted (in shares)	29,985	30,259	30,076	30,297
Transactional and Maintenance
Revenues	$ 240,702	$ 211,779	$ 461,076	$ 405,972
Technology Service
Revenues	47,905	50,555	91,930	91,363
License
Revenues	$ 19,364	$ 15,900	$ 53,469	$ 43,155

CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Paid-in-Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning Balance (in shares) at Sep. 30, 2018		29,015
Beginning Balance at Sep. 30, 2018	$ 287,437	$ 290	$ 1,211,051	$ (2,612,007)	$ 1,764,524	$ (76,421)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	42,336		42,336
Issuance of treasury stock under employee stock plans (in shares)		616
Issuance of treasury stock under employee stock plans	(35,620)	$ 6	(63,046)	27,420
Repurchases of common stock (in shares)		(575)
Repurchases of common stock	(119,723)	$ (5)		(119,718)
Net income	73,388				73,388
Foreign currency translation adjustments	(340)					(340)
Ending Balance (in shares) at Mar. 31, 2019		29,056
Ending Balance at Mar. 31, 2019	247,478	$ 291	1,190,341	(2,704,305)	1,837,912	(76,761)
Beginning Balance (in shares) at Dec. 31, 2018		29,056
Beginning Balance at Dec. 31, 2018	227,895	$ 291	1,176,770	(2,674,011)	1,804,531	(79,686)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	20,482		20,482
Issuance of treasury stock under employee stock plans (in shares)		150
Issuance of treasury stock under employee stock plans	(182)	$ 2	(6,911)	6,727
Repurchases of common stock (in shares)		(150)
Repurchases of common stock	(37,023)	$ (2)		(37,021)
Net income	33,381				33,381
Foreign currency translation adjustments	2,925					2,925
Ending Balance (in shares) at Mar. 31, 2019		29,056
Ending Balance at Mar. 31, 2019	247,478	$ 291	1,190,341	(2,704,305)	1,837,912	(76,761)
Beginning Balance (in shares) at Sep. 30, 2019		28,944
Beginning Balance at Sep. 30, 2019	289,767	$ 289	1,225,365	(2,802,450)	1,956,648	(90,085)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	45,933		45,933
Issuance of treasury stock under employee stock plans (in shares)		596
Issuance of treasury stock under employee stock plans	(73,784)	$ 6	(102,081)	28,291
Repurchases of common stock (in shares)		(458)
Repurchases of common stock	(156,010)	$ (4)		(156,006)
Net income	113,209				113,209
Foreign currency translation adjustments	(4,964)					(4,964)
Ending Balance (in shares) at Mar. 31, 2020		29,082
Ending Balance at Mar. 31, 2020	214,151	$ 291	1,169,217	(2,930,165)	2,069,857	(95,049)
Beginning Balance (in shares) at Dec. 31, 2019		29,186
Beginning Balance at Dec. 31, 2019	240,961	$ 292	1,148,190	(2,843,097)	2,011,569	(75,993)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	22,788		22,788
Issuance of treasury stock under employee stock plans (in shares)		186
Issuance of treasury stock under employee stock plans	7,171	$ 2	(1,761)	8,930
Repurchases of common stock (in shares)		(290)
Repurchases of common stock	(96,001)	$ (3)		(95,998)
Net income	58,288				58,288
Foreign currency translation adjustments	(19,056)					(19,056)
Ending Balance (in shares) at Mar. 31, 2020		29,082
Ending Balance at Mar. 31, 2020	$ 214,151	$ 291	$ 1,169,217	$ (2,930,165)	$ 2,069,857	$ (95,049)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 113,209	$ 73,388
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,535	15,786
Share-based compensation	45,933	42,336
Deferred income taxes	(1,213)	74
Net loss on marketable securities	2,526	1,300
Amortization of Leased Asset	10,000	0
Provision for doubtful accounts, net	2,459	391
Net (gain) loss on sales of property and equipment	59	(5)
Changes in operating assets and liabilities:
Accounts receivable	(13,823)	(5,015)
Prepaid expenses and other assets	(19,656)	(12,219)
Accounts payable	1,833	(2,210)
Accrued compensation and employee benefits	(37,339)	(16,970)
Other liabilities	(4,659)	(2,672)
Deferred revenue	6,995	2,462
Net Cash Provided by (Used in) Operating Activities	121,859	96,646
Cash flows from investing activities:
Purchases of property and equipment	(13,166)	(10,644)
Proceeds from sales of marketable securities	3,385	2,267
Purchases of marketable securities	(5,232)	(4,396)
Distribution from other investments	55	0
Net Cash Provided by (Used in) Investing Activities	(14,958)	(12,773)
Cash flows from financing activities:
Proceeds from revolving line of credit	156,000	138,000
Payments on revolving line of credit	(377,000)	(80,000)
Proceeds from issuance of senior notes	350,000	0
Payments on debt issuance costs	(6,840)	0
Payment from finance lease	(712)	0
Proceeds from issuance of treasury stock under employee stock plans	23,216	12,850
Taxes paid related to net share settlement of equity awards	(97,000)	(48,470)
Repurchases of common stock	(148,008)	(119,723)
Net Cash Provided by (Used in) Financing Activities	(100,344)	(97,343)
Effect of exchange rate changes on cash	(4,017)	332
Increase (decrease) in cash and cash equivalents	2,540	(13,138)
Cash and cash equivalents, beginning of period	106,426	90,023
Cash and cash equivalents, end of period	108,966	76,885
Supplemental disclosures of cash flow information:
Cash paid for income taxes, net of refunds	4,475	7,962
Interest Paid, Excluding Capitalized Interest, Operating Activities	16,181	19,686
Supplemental disclosures of non-cash investing and financing activities:
Purchase of property and equipment included in accounts payable	1,920	77
Repurchases of Common Stock Incurred Not Yet Paid	8,002	0
Finance lease obligations incurred	$ 5,148	$ 0

Nature of Business	6 Months Ended
Nature of Business	Mar. 31, 2020
Accounting Policies [Abstract]
Nature of Business	Nature of Business Fair Isaac Corporation Incorporated under the laws of the State of Delaware, Fair Isaac Corporation (“FICO”) is a provider of analytic, software and data management products and services that enable businesses to automate, improve and connect decisions. FICO provides a range of analytical solutions, credit scoring and credit account management products and services to banks, credit reporting agencies, credit card processing agencies, insurers, retailers, telecommunications providers, pharmaceutical companies, healthcare organizations, public agencies and organizations in other industries. In this Quarterly Report on Form 10-Q, Fair Isaac Corporation is referred to as “FICO,” “we,” “us,” “our,” or “the Company.” Principles of Consolidation and Basis of Presentation We have prepared the accompanying unaudited interim condensed consolidated financial statements in accordance with the instructions to Form 10-Q and the applicable accounting guidance. Consequently, we have not necessarily included all information and footnotes required for audited financial statements. In our opinion, the accompanying unaudited interim condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments, except as otherwise indicated) necessary for a fair presentation of our financial position and results of operations. These unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with our audited consolidated financial statements and notes thereto presented in our Annual Report on Form 10-K for the fiscal year ended September 30, 2019 . The interim financial information contained in this report is not necessarily indicative of the results to be expected for any other interim period or for the entire fiscal year. As discussed in New Accounting Pronouncements below and Note 13, effective October 1, 2019, we adopted Accounting Standards Update (“ASU”) No. 2016-02, “ Leases (Topic 842) ” and subsequent amendments to the initial guidance: ASU 2017-13, ASU 2018-10, ASU 2018-11, ASU 2018-20 and ASU 2019-01 (collectively, “Topic 842”) using the modified retrospective approach, under which financial results reported in prior periods were not restated. As a result, the condensed consolidated balance sheet as of March 31, 2020 is not comparable with that as of September 30, 2019. See our Annual Report on Form 10-K filed with the SEC on November 8, 2019 for lease policies that were in effect in prior periods before adoption of Topic 842. The condensed consolidated financial statements include the accounts of FICO and its subsidiaries. All intercompany accounts and transactions have been eliminated. Use of Estimates We make estimates and assumptions that affect the amounts reported in the financial statements and the disclosures made in the accompanying notes. For example, we use estimates in determining the collectability of accounts receivable; the appropriate levels of various accruals; labor hours in connection with fixed-fee service contracts; the amount of our tax provision and the realizability of deferred tax assets. We also use estimates in determining the remaining economic lives and carrying values of acquired intangible assets, property and equipment, and other long-lived assets. In addition, we use assumptions to estimate the fair value of reporting units and share-based compensation. Actual results may differ from our estimates. New Accounting Pronouncements Recently Adopted Accounting Pronouncements In February 2016, the Financial Accounting Standards Board (“FASB”) issued Topic 842, which requires the recognition of operating lease assets and lease liabilities on the balance sheet. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. Under the new standard, disclosures are required to enable users of financial statements to assess the amount, timing and uncertainty of cash flows arising from leases. In the first quarter of fiscal 2020, we adopted Topic 842 using the “Comparatives Under 840 Option” approach to transition. In accordance with the standard, the comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods. Topic 842 provided a package of practical expedients that allow an entity to not reassess (1) whether any expired or existing contracts contain a lease, (2) the lease classification of any expired or existing lease, and (3) initial direct costs for any existing leases. We elected to apply the package of practical expedients, and did not elect the hindsight practical expedient in determining the lease term for existing leases as of October 1, 2019. Adoption of Topic 842 did not result in the recognition of a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. The most significant impact of adoption was the recognition of operating lease assets and operating lease liabilities of $89.8 million and $98.9 million , respectively, while our accounting for existing capital leases (now referred to as finance leases) remained substantially unchanged. We expect the impact of adoption to be immaterial to our consolidated statements of income and comprehensive income and consolidated statements of cash flows on an ongoing basis. As part of our adoption, we also modified our control procedures and processes, none of which materially affected our internal control over financial reporting. See Note 13 for additional information regarding our accounting policy for leases and additional disclosures. Recent Accounting Pronouncements Not Yet Adopted In August 2018, the FASB issued ASU No. 2018-15, “ Intangibles—Goodwill and Other (Topic 350): Internal-Use Software ” (“ASU 2018-15”). ASU 2018-15 aligns the requirements for capitalizing implementation costs incurred in a cloud computing arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The standard is effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019, which means that it will be effective for our fiscal year beginning October 1, 2020. Early adoption is permitted. We do not believe that adoption of ASU 2018-15 will have a significant impact on our consolidated financial statements. In June 2016, the FASB issued ASU No. 2016-13, “ Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments ” and subsequent amendments to the initial guidance: ASU 2018-19, ASU 2019-04, ASU 2019-05 and ASU 2019-11 (collectively, “Topic 326”). Topic 326 requires measurement and recognition of expected credit losses for financial assets held. Topic 326 is effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019, which means it will be effective for our fiscal year beginning October 1, 2020. Early adoption is permitted. We do not believe that adoption of Topic 326 will have a significant impact on our consolidated financial statements. We do not expect that any other recently issued accounting pronouncements will have a significant effect on our financial statements.

- Definition

The entire disclosure for the business description and accounting policies concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Accounting policies describe all significant accounting policies of the reporting entity.

+ References + Details

Fair Value Measurements

6 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair value is defined as the price that would be received from the sale of an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The accounting guidance establishes a three-level hierarchy for disclosure that is based on the extent and level of judgment used to estimate the fair value of assets and liabilities.


•	Level 1 - uses unadjusted quoted prices that are available in active markets for identical assets or liabilities. Our Level 1 assets are comprised of money market funds and certain marketable securities. We do not have any liabilities that are valued using inputs identified under a Level 1 hierarchy as of March 31, 2020 and September 30, 2019 .

•

Level 2 - uses inputs other than quoted prices included in Level 1 that are either directly or indirectly observable through correlation with market data. These include quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; and inputs to valuation models or other pricing methodologies that do not require significant judgment because the inputs used in the model, such as interest rates and volatility, can be corroborated by readily observable market data. We do not have any assets that are valued using inputs identified under a Level 2 hierarchy as of March 31, 2020 and September 30, 2019 . We measure the fair value of the Senior Notes (as defined in Note 7) based on Level 2 inputs, which include quoted market prices and interest rate spreads of similar securities.

•

Level 3 - uses one or more significant inputs that are unobservable and supported by little or no market activity, and that reflect the use of significant management judgment. Level 3 assets and liabilities include those whose fair value measurements are determined using pricing models, discounted cash flow methodologies or similar valuation techniques, and significant management judgment or estimation. We do not have any assets or liabilities that are valued using inputs identified under a Level 3 hierarchy as of March 31, 2020 and September 30, 2019 .

The following tables represent financial assets that we measured at fair value on a recurring basis at March 31, 2020 and September 30, 2019 :



March 31, 2020	Active Markets for Identical Instruments (Level 1)		Fair Value as of March 31, 2020
	(In thousands)
Assets:
Cash equivalents (1)	$	25,166	$	25,166
Marketable securities (2)	19,544		19,544
Total	$	44,710	$	44,710

September 30, 2019	Active Markets for Identical Instruments (Level 1)		Fair Value as of September 30, 2019
	(In thousands)
Assets:
Cash equivalents (1)	$	28,901	$	28,901
Marketable securities (2)	20,222		20,222
Total	$	49,123	$	49,123


(1)	Included in cash and cash equivalents on our condensed consolidated balance sheets at March 31, 2020 and September 30, 2019 . Not included in these tables are cash deposits of $83.8 million and $77.5 million at March 31, 2020 and September 30, 2019 , respectively.


(2)	Represents securities held under a supplemental retirement and savings plan for senior management employees, which are distributed upon termination or retirement of the employees. Included in marketable securities on our condensed consolidated balance sheets at March 31, 2020 and September 30, 2019 .

For the fair value of our derivative instruments and senior notes, see Note 3 and Note 7, respectively.

There were no transfers between Level 1, Level 2, and Level 3 of the fair value hierarchy during the quarters and six-month periods ended March 31, 2020 and 2019 .

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Derivative Financial Instruments

6 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

We use derivative instruments to manage risks caused by fluctuations in foreign exchange rates. The primary objective of our derivative instruments is to protect the value of foreign-currency-denominated receivable and cash balances from the effects of volatility in foreign exchange rates that might occur prior to conversion to their respective functional currencies. We principally utilize foreign currency forward contracts, which enable us to buy and sell foreign currencies in the future at fixed exchange rates and economically offset changes in foreign exchange rates. We routinely enter into contracts to offset exposures denominated in the British pound, Euro, and Singapore dollar.

Foreign-currency-denominated receivable and cash balances are remeasured at foreign exchange rates in effect on the balance sheet date with the effects of changes in foreign exchange rates reported in other income (expense), net. The forward contracts are not designated as hedges and are marked to market through other income (expense), net. Fair value changes in the forward contracts help mitigate the changes in the value of the remeasured receivable and cash balances attributable to changes in foreign exchange rates. The forward contracts are short-term in nature and typically have average maturities at inception of less than three months .

The following tables summarize our outstanding foreign currency forward contracts, by currency, at March 31, 2020 and September 30, 2019 :



	March 31, 2020
	Contract Amount				Fair Value
	Foreign Currency		USD		USD
	(In thousands)
Sell foreign currency:
Euro (EUR)	EUR	10,000	$	11,004	$	—
Buy foreign currency:
British pound (GBP)	GBP	21,781	$	27,000	$	—
Singapore dollar (SGD)	SGD	10,274	$	7,200	$	—



	September 30, 2019
	Contract Amount				Fair Value
	Foreign Currency		USD		USD
	(In thousands)
Sell foreign currency:
Euro (EUR)	EUR	10,800	$	11,723	$	—
Buy foreign currency:
British pound (GBP)	GBP	5,200	$	6,400	$	—
Singapore dollar (SGD)	SGD	5,798	$	4,200	$	—

The foreign currency forward contracts were entered into on March 31, 2020 and September 30, 2019 , respectively; therefore, their fair value was $0 on each of these dates.

Gain (losses) on derivative financial instruments are recorded in our condensed consolidated statements of income and comprehensive income as a component of other income (expense), net, and consisted of the following:



	Quarter Ended March 31,					Six Months Ended March 31,
	2020			2019		2020			2019
	(In thousands)
Gains (losses) on foreign currency forward contracts	$	(2,194	)	$	720	$	(1,049	)	$	316

Goodwill and Intangible Assets

6 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Amortization expense associated with our intangible assets is reflected as a separate operating expense caption — amortization of intangible assets — and is excluded from cost of revenues and selling, general and administrative expenses within the accompanying condensed consolidated statements of income and comprehensive income. Amortization expense consisted of the following:



	Quarter Ended March 31,				Six Months Ended March 31,
	2020		2019		2020		2019
	(In thousands)
Completed technology	$	463	$	494	$	1,038	$	988
Customer contracts and relationships	658		1,009		1,798		2,017
Trade names	38		—		75		—
Non-compete agreements	43		—		87		—
Total	$	1,202	$	1,503	$	2,998	$	3,005

Estimated future intangible asset amortization expense associated with intangible assets existing at March 31, 2020 was as follows:



Year Ending September 30,	(In thousands)
2020 (excluding the six months ended March 31, 2020)	$	1,987
2021	3,622
2022	3,334
2023	1,317
2024	917
	$	11,177

The following table summarizes changes to goodwill during the six months ended March 31, 2020 , both in total and as allocated to our segments:



	Applications		Scores		Decision Management Software		Total
	(In thousands)
Balance at September 30, 2019	$	588,614	$	146,648	$	68,280	$	803,542
Foreign currency translation adjustment	1,006		—		102		1,108
Balance at March 31, 2020	$	589,620	$	146,648	$	68,382	$	804,650

Composition of Certain Financial Statement Captions

6 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Composition of Certain Financial Statement Captions

The following table summarizes property and equipment, and the related accumulated depreciation and amortization, at March 31, 2020 and September 30, 2019 :



	March 31, 2020			September 30, 2019
	(In thousands)
Property and equipment	$	184,539		$	172,075
Less: accumulated depreciation and amortization	(125,048		)	(119,048		)
	$	59,491		$	53,027

Revolving Line of Credit	6 Months Ended
Revolving Line of Credit	Mar. 31, 2020
Debt Disclosure [Abstract]
Revolving Line of Credit	Revolving Line of Credit We have a $400 million unsecured revolving line of credit with a syndicate of banks that expires on May 8, 2023 with an option to increase it by another $100 million . Proceeds from the credit facility can be used for working capital and general corporate purposes and may also be used for the refinancing of existing debt, acquisitions and the repurchase of our common stock. Interest on amounts borrowed under the credit facility is based on (i) a base rate, which is the greater of (a) the prime rate, (b) the Federal Funds rate plus 0.500% and (c) the one-month LIBOR rate plus 1.000% , plus, in each case, an applicable margin, or (ii) an adjusted LIBOR rate plus an applicable margin. The applicable margin for base rate borrowings ranges from 0% to 0.875% and for LIBOR borrowings ranges from 1.000% to 1.875% , and is determined based on our consolidated leverage ratio. In addition, we must pay credit facility fees. The credit facility contains certain restrictive covenants including maintaining a maximum consolidated leverage ratio of 3.25 on an average trailing four-quarter basis, subject to a step up to 3.75 following certain permitted acquisitions; and a minimum fixed charge ratio of 2.50 through the maturity of our 2010 Senior Notes (as defined in Note 7) in July 2020, upon which maintaining a minimum interest coverage ratio of 3.00 . The credit agreement also contains other covenants typical of unsecured facilities. As of March 31, 2020 , we had $124.0 million in borrowings outstanding at a weighted average interest rate of 2.277% and were in compliance with all financial covenants under this credit facility.

Senior Notes

6 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Senior Notes

On July 14, 2010, we issued $245 million of senior notes in a private placement to a group of institutional investors (the “2010 Senior Notes”). The 2010 Senior Notes were issued in four series with maturities ranging from 6 to 10 years. The outstanding 2010 Senior Notes’ weighted average interest rate is 5.6% and the weighted average maturity is 10.0 years . The 2010 Senior Notes require interest payments semi-annually and contain certain restrictive covenants, including the maintenance of a maximum consolidated net debt to consolidated EBITDA ratio of 3.00 and a minimum fixed charge coverage ratio of 2.50 . We were in compliance with all financial covenants under the 2010 Senior Notes as of March 31, 2020 .

On May 8, 2018, we issued $400 million of senior notes in a private offering to qualified institutional investors (the “2018 Senior Notes”). The 2018 Senior Notes require interest payments semi-annually at a rate of 5.25% per annum and will mature on May 15, 2026 .

On December 6, 2019, we issued $350 million of senior notes in a private offering to qualified institutional investors (the “2019 Senior Notes,” along with the 2010 Senior Notes and 2018 Senior Notes, the “Senior Notes”). We have used the net proceeds to repay a large portion of the outstanding balance on our revolving credit facility. The 2019 Senior Notes require interest payments semi-annually at a rate of 4.00% per annum and will mature on June 15, 2028 .

The purchase agreements for the 2010 Senior Notes, as well as the indentures for the 2018 Senior Notes and 2019 Senior Notes contain certain covenants typical of unsecured obligations.

The following table presents the face values and fair values for the Senior Notes at March 31, 2020 and September 30, 2019 :



	March 31, 2020				September 30, 2019
	Face Value (*)		Fair Value		Face Value (*)		Fair Value
	(In thousands)
The 2010 Senior Notes	85,000		85,255		85,000		86,121
The 2018 Senior Notes	400,000		402,000		400,000		428,000
The 2019 Senior Notes	350,000		331,625		—		—
Total	$	835,000	$	818,880	$	485,000	$	514,121

(*) The carrying value of the Senior Notes was reduced by the net debt issuance costs of $11.4 million and $5.2 million at March 31, 2020 and September 30, 2019 , respectively.

We measure the fair value of the Senior Notes based on Level 2 inputs, which include quoted market prices and interest rate spreads of similar securities.

Restructuring Expenses Restructuring Expenses

6 Months Ended

Mar. 31, 2020

Restructuring and Related Activities [Abstract]

Restructuring and Related Activities Disclosure [Text Block]

Restructuring Expenses

There were no restructuring expenses incurred during the quarter ended March 31, 2020. During the six-month period ended March 31, 2020, we incurred $3.1 million in employee separation costs due to the elimination of 69 positions throughout the Company. We expect that cash payment for all the employee separation costs will be paid by the end of our fiscal 2020.

There were no restructuring expenses incurred during the quarter and six-month period ended March 31, 2019.

The following table summarizes our restructuring accruals related to facility closures and employee separation. The balances at March 31, 2020 and September 30, 2019 were classified as current liabilities and recorded in other accrued liabilities within the accompanying condensed consolidated balance sheets.



	Accrual at		Expense Additions		Cash Payments			Adjustment (*)			Accrual at
	September 30, 2019		Expense Additions		Cash Payments			Adjustment (*)			March 31, 2020
	(In thousands)
Facilities charges	$	1,378	$	—	$	—		$	(1,378	)	$	—
Employee separation	—		3,104		(2,956		)	—			148
	1,378		$	3,104	$	(2,956	)	$	(1,378	)	148

(*) Upon adoption of Topic 842, accrued lease exit obligations of $1.4 million were reclassed to operating lease liabilities.

Income Taxes	6 Months Ended
Income Taxes	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Effective Tax Rate The effective income tax rate was 6.7% and 16.5% during the quarters ended March 31, 2020 and 2019 , respectively, and (8.5)% and 4.9% during the six months ended March 31, 2020 and 2019 , respectively. The provision for income taxes during interim quarterly reporting periods is based on our estimates of the effective tax rates for the full fiscal year. The effective tax rate in any quarter can also be affected positively or negatively by adjustments that are required to be reported in the specific quarter of resolution. The effective tax rates for the six months ended March 31, 2020 and 2019 were both impacted by the recording of excess tax benefits relating to stock awards that vested in December of both years. In addition, stock exercises during the quarter ended March 31, 2020 resulted in an additional increase in excess tax benefits. The total unrecognized tax benefit for uncertain tax positions is estimated to be $7.1 million and $5.8 million at March 31, 2020 and September 30, 2019 , respectively. We recognize interest expense related to unrecognized tax benefits and penalties as part of the provision for income taxes in our condensed consolidated statements of income and comprehensive income. We have accrued interest of $0.5 million and $0.3 million related to unrecognized tax benefits as of March 31, 2020 and September 30, 2019 , respectively.

Earnings per Share

6 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Earnings per Share

The following table presents reconciliations for the numerators and denominators of basic and diluted earnings per share (“EPS”) for the quarters and six-month periods ended March 31, 2020 and 2019 :



	Quarter Ended March 31,				Six Months Ended March 31,
	2020		2019		2020		2019
	(In thousands, except per share data)
Numerator for diluted and basic earnings per share:
Net Income	$	58,288	$	33,381	$	113,209	$	73,388
Denominator - share:
Basic weighted-average shares	29,194		29,074		29,109		29,017
Effect of dilutive securities	791		1,185		967		1,280
Diluted weighted-average shares	29,985		30,259		30,076		30,297
Earnings per share:
Basic	$	2.00	$	1.15	$	3.89	$	2.53
Diluted	$	1.94	$	1.10	$	3.76	$	2.42

We exclude the options to purchase shares of common stock in the computation of the diluted EPS where the exercise price of the options exceeds the average market price of our common stock as their inclusion would be antidilutive. There were approximately 13,000 and 15,000 options excluded for the quarter ended March 31, 2020 and 2019, respectively. There were approximately 14,000 and 7,000 options excluded for the six months ended March 31, 2020 and 2019, respectively.

Segment Information

6 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Segment Information

We are organized into the following three operating segments, each of which is a reportable segment, to align with internal management of our worldwide business operations based on product offerings.

•

Applications . This segment includes pre-configured decision management applications designed for a specific type of business problem or process — such as marketing, account origination, customer management, fraud, collections and insurance claims management — as well as associated professional services. These applications are available to our customers as on-premises software, and many are available as hosted, software-as-a-service (“SaaS”) applications through the FICO ^® Analytic Cloud or third-party public clouds, such as those provided by Amazon Web Services (“AWS”).

•

Scores. This segment includes our business-to-business scoring solutions, our myFICO ^® solutions for consumers and associated professional services. Our scoring solutions give our clients access to analytics that can be easily integrated into their transaction streams and decision-making processes. Our scoring solutions are distributed through major credit reporting agencies, as well as services through which we provide our scores to clients directly.

•

Decision Management Software. This segment is composed of analytic and decision management software tools that clients can use to create their own custom decision management applications, our FICO ^® Decision Management Suite, as well as associated professional services. These tools are available to our customers as on-premises software or through the FICO ^® Analytic Cloud or third-party public clouds, such as those provided by AWS.

Our Chief Executive Officer evaluates segment financial performance based on segment revenues and segment operating income. Segment operating expenses consist of direct and indirect costs principally related to personnel, facilities, consulting, travel and depreciation. Indirect costs are allocated to the segments generally based on relative segment revenues, fixed rates established by management based upon estimated expense contribution levels and other assumptions that management considers reasonable. We do not allocate broad-based incentive expense, share-based compensation expense, restructuring expense, amortization expense, various corporate charges and certain other income and expense measures to our segments. These income and expense items are not allocated because they are not considered in evaluating the segment’s operating performance. Our Chief Executive Officer does not evaluate the financial performance of each segment based on its respective assets, nor capital expenditures where depreciation amounts are allocated to the segments from their internal cost centers as described above.

The following tables summarize segment information for the quarters and six-month periods ended March 31, 2020 and 2019 :



	Quarter Ended March 31, 2020
	Applications			Scores			Decision Management Software			Unallocated Corporate Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	97,789		$	127,610		$	15,303		$	—		$	240,702
Professional services	35,134			819			11,952			—			47,905
License	7,356			719			11,289			—			19,364
Total segment revenues	140,279			129,148			38,544			—			307,971
Segment operating expense	(111,456		)	(15,660		)	(47,354		)	(33,785		)	(208,255		)
Segment operating income (loss)	$	28,823		$	113,488		$	(8,810	)	$	(33,785	)	99,716
Unallocated share-based compensation expense													(22,788		)
Unallocated amortization expense													(1,202		)
Operating income													75,726
Unallocated interest expense, net													(11,254		)
Unallocated other expense, net													(2,008		)
Income before income taxes													$	62,464
Depreciation expense	$	4,553		$	141		$	1,158		$	108		$	5,960



	Quarter Ended March 31, 2019
	Applications			Scores			Decision Management Software			Unallocated Corporate Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	97,074		$	102,363		$	12,342		$	—		$	211,779
Professional services	35,981			901			13,673			—			50,555
License	8,760			1,139			6,001			—			15,900
Total segment revenues	141,815			104,403			32,016			—			278,234
Segment operating expense	(111,643		)	(16,167		)	(40,384		)	(39,506		)	(207,700		)
Segment operating income (loss)	$	30,172		$	88,236		$	(8,368	)	$	(39,506	)	70,534
Unallocated share-based compensation expense													(20,482		)
Unallocated amortization expense													(1,503		)
Operating income													48,549
Unallocated interest expense, net													(10,008		)
Unallocated other expense, net													1,433
Income before income taxes													$	39,974
Depreciation expense	$	4,662		$	132		$	972		$	229		$	5,995



	Six Months Ended March 31, 2020
	Applications			Scores			Decision Management Software			Unallocated Corporate Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	196,626		$	235,056		$	29,394		$	—		$	461,076
Professional services	69,157			1,083			21,690			—			91,930
License	26,674			8,147			18,648			—			53,469
Total segment revenues	292,457			244,286			69,732			—			606,475
Segment operating expense	(227,466		)	(33,372		)	(97,999		)	(67,995		)	(426,832		)
Segment operating income (loss)	$	64,991		$	210,914		$	(28,267	)	$	(67,995	)	179,643
Unallocated share-based compensation expense													(45,933		)
Unallocated amortization expense													(2,998		)
Unallocated restructuring and acquisition-related													(3,104		)
Operating income													127,608
Unallocated interest expense, net													(21,022		)
Unallocated other income, net													(2,227		)
Income before income taxes													$	104,359
Depreciation expense	$	8,902		$	257		$	2,144		$	333		$	11,636



	Six Months Ended March 31, 2019
	Applications			Scores			Decision Management Software			Unallocated Corporate Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	194,239		$	187,184		$	24,549		$	—		$	405,972
Professional services	67,443			1,602			22,318			—			91,363
License	27,792			1,300			14,063			—			43,155
Total segment revenues	289,474			190,086			60,930			—			540,490
Segment operating expense	(219,241		)	(29,649		)	(79,946		)	(68,760		)	(397,596		)
Segment operating income (loss)	$	70,233		$	160,437		$	(19,016	)	$	(68,760	)	142,894
Unallocated share-based compensation expense													(42,336		)
Unallocated amortization expense													(3,005		)
Operating income													97,553
Unallocated interest expense, net													(19,684		)
Unallocated other income, net													(739		)
Income before income taxes													$	77,130
Depreciation expense	$	9,459		$	257		$	1,961		$	462		$	12,139

Information about disaggregated revenue by product deployment methods was as follows:



	Quarter Ended March 31, 2020
Reportable Segments	On-Premises		SaaS		Scores		Total		Percentage
	(Dollars in thousands)
Applications	$	76,341	$	63,938	$	—	$	140,279	46	%
Scores	—		—		129,148		129,148		42	%
Decision Management Software	28,847		9,697		—		38,544		12	%
Total	$	105,188	$	73,635	$	129,148	$	307,971	100	%



	Quarter Ended March 31, 2019
Reportable Segments	On-Premises		SaaS		Scores		Total		Percentage
	(Dollars in thousands)
Applications	$	81,311	$	60,504	$	—	$	141,815	51	%
Scores	—		—		104,403		104,403		38	%
Decision Management Software	25,725		6,291		—		32,016		11	%
Total	$	107,036	$	66,795	$	104,403	$	278,234	100	%



	Six Months Ended March 31, 2020
Reportable Segments	On-Premises		SaaS		Scores		Total		Percentage
	(Dollars in thousands)
Applications	$	162,319	$	130,138	$	—	$	292,457	48	%
Scores	—		—		244,286		244,286		40	%
Decision Management Software	52,526		17,206		—		69,732		12	%
Total	$	214,845	$	147,344	$	244,286	$	606,475	100	%



	Six Months Ended March 31, 2019
Reportable Segments	On-Premises		SaaS		Scores		Total		Percentage
	(Dollars in thousands)
Applications	$	170,906	$	118,568	$	—	$	289,474	54	%
Scores	—		—		190,086		190,086		35	%
Decision Management Software	49,334		11,596		—		60,930		11	%
Total	$	220,240	$	130,164	$	190,086	$	540,490	100	%

Information about disaggregated revenue by primary geographical markets was as follows:



	Quarter Ended March 31, 2020
Reportable Segments	North America		Latin America		Europe, Middle East and Africa		Asia Pacific		Total
	(In thousands)
Applications	$	78,900	$	9,672	$	34,271	$	17,436	$	140,279
Scores	123,249		2,619		1,720		1,560		129,148
Decision Management Software	21,007		5,917		6,920		4,700		38,544
Total	$	223,156	$	18,208	$	42,911	$	23,696	$	307,971



	Quarter Ended March 31, 2019
Reportable Segments	North America		Latin America		Europe, Middle East and Africa		Asia Pacific		Total
	(In thousands)
Applications	$	87,226	$	6,670	$	33,238	$	14,681	$	141,815
Scores	100,491		1,368		1,472		1,072		104,403
Decision Management Software	16,600		3,327		7,173		4,916		32,016
Total	$	204,317	$	11,365	$	41,883	$	20,669	$	278,234



	Six Months Ended March 31, 2020
Reportable Segments	North America		Latin America		Europe, Middle East and Africa		Asia Pacific		Total
	(In thousands)
Applications	$	164,366	$	19,189	$	74,055	$	34,847	$	292,457
Scores	233,446		2,903		3,258		4,679		244,286
Decision Management Software	36,594		10,250		14,185		8,703		69,732
Total	$	434,406	$	32,342	$	91,498	$	48,229	$	606,475



	Six Months Ended March 31, 2019
Reportable Segments	North America		Latin America		Europe, Middle East and Africa		Asia Pacific		Total
	(In thousands)
Applications	$	168,175	$	24,923	$	65,800	$	30,576	$	289,474
Scores	182,564		1,882		3,006		2,634		190,086
Decision Management Software	30,424		8,552		13,297		8,657		60,930
Total	$	381,163	$	35,357	$	82,103	$	41,867	$	540,490

Contract Balances and Performance Obligation

6 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Revenue from Contract with Customer

Contract Balances and Performance Obligations

Contract Balances

We record a receivable when we satisfy a performance obligation prior to invoicing if only the passage of time is required before payment is due or if we have an unconditional right to consideration before we satisfy a performance obligation. We record a contract asset when we satisfy a performance obligation prior to invoicing but our right to consideration is conditional. We record deferred revenue when the payment is made or due before we satisfy a performance obligation.

Receivables at March 31, 2020 and September 30, 2019 consisted of the following:



	March 31, 2020			September 30, 2019
	(In thousands)
Billed	$	199,102		$	206,714
Unbilled	146,226			127,651
	345,328			334,365
Less: allowance for doubtful accounts	(5,248		)	(2,568		)
Net receivables	340,080			331,797
Less: long-term receivables *	(32,773		)	(34,370		)
Short-term receivables *	$	307,307		$	297,427

(*) Short-term receivables and long-term receivables were recorded in accounts receivable, net and other assets, respectively, within the accompanying condensed consolidated balance sheets.

Contract assets balance at March 31, 2020 and September 30, 2019 was immaterial.

Deferred revenue primarily relates to our maintenance and SaaS contracts billed annually in advance and generally recognized ratably over the term of the service period. Significant changes in the deferred revenues balances during the six months ended March 31, 2020 and 2019 were as follows:



	Six Months Ended March 31, 2020
	(In thousands)
Deferred revenues at September 30, 2019	$	116,320
Revenue recognized that was included in the deferred revenues balance at the beginning of the period	(75,148		)
Increases due to billings, excluding amounts recognized as revenue during the period	80,382
Deferred revenues at March 31, 2020	$	121,554

(*) Deferred revenues at September 30, 2019 included current portion of $111.0 million and long-term portion of $5.3 million that were recorded in deferred revenue and other liabilities, respectively, within the condensed consolidated balance sheets. Deferred revenues at March 31, 2020 included current portion of $114.4 million and long-term portion of $7.2 million that were recorded in deferred revenue and other liabilities, respectively, within the condensed consolidated balance sheets.

Payment terms and conditions vary by contract type, although terms generally include a requirement of payment within 30 to 60 days. In instances where the timing of revenue recognition differs from the timing of invoicing, we have determined our contracts generally do not include a significant financing component. The primary purpose of our invoicing terms is to provide customers with simplified and predictable ways of purchasing our products and services, not to provide customers with financing or to receive financing from our customers. Examples include multi-year on-premises licenses that are invoiced annually with revenue recognized upfront, and invoicing at the beginning of a SaaS subscription term with revenue recognized ratably over the contract period.

Performance Obligations

Revenue allocated to remaining performance obligations represents contracted revenue that will be recognized in future periods, which is comprised of deferred revenue and amounts that will be invoiced and recognized as revenue in future periods. This does not include:


•	Revenue that will be recognized in future periods from usage-based royalty from license sales;


•	SaaS transactional revenue from variable considerations that will be recognized in the distinct service period during which it is earned; and


•	Revenue from variable considerations that will be recognized in accordance with the “right-to-invoice” practical expedient, such as fees from our professional services billed based on a time and materials basis.

Revenue allocated to remaining performance obligations was $253.4 million as of March 31, 2020, of which we expect to recognize approximately 51% over the next 18 months and the remainder thereafter.

Leases

6 Months Ended

Mar. 31, 2020

Leases [Abstract]

Leases

We lease office space and data centers under operating lease arrangements, which constitute the majority of our lease obligations. We also enter into finance lease agreements from time to time for certain computer equipment. For any lease with a lease term in excess of 12 months, the related lease assets and liabilities are recognized on our condensed consolidated balance sheets as either operating or finance leases at the commencement of an agreement where it is determined that a lease exists. We have lease agreements that contain both lease and non-lease components, and we have elected to combine these components together and account for them as a single lease component for all classes of assets. Leases with a lease term of 12 months or less are not recorded on our condensed consolidated balance sheets. Furthermore, we recognize lease expense for these leases on a straight-line basis over the lease term.

Operating lease assets represent the right to use an underlying asset for the lease term and operating lease liabilities represent the obligation to make lease payments arising from the lease. These assets and liabilities are recognized based on the present value of future payments over the lease term at the commencement date. We use a collateralized incremental borrowing rate based on the information available at the commencement date, including the lease term, in determining the present value of future payments. In calculating the incremental borrowing rates, we consider recent ratings from credit agencies and current lease demographic information. Our operating leases also typically require payment of real estate taxes, common area maintenance, insurance and other operating costs as well as payments that are adjusted based on a consumer price index. These components comprise the majority of our variable lease cost and are excluded from the present value of our lease obligations. In instances where they are fixed, they are included due to our election to combine lease and non-lease components. Operating lease assets also include prepaid lease payments and initial direct costs, and are reduced by lease incentives. Our lease terms generally do not include options to extend or terminate the lease unless it is reasonably certain that the option will be exercised. Fixed payments may contain predetermined fixed rent escalations. We recognize the related rent expense on a straight-line basis from the commencement date to the end of the lease term.

The following table presents the lease balances within the condensed consolidated balance sheets:



	Balance Sheet Location	March 31, 2020
		(In thousands)
Assets
Operating leases	Operating lease right-of-use assets	$	87,142
Finance leases (*)	Property and equipment, net	9,517
Total lease assets		$	96,659
Liabilities
Current:
Operating leases	Other accrued liabilities	$	18,799
Finance leases	Other accrued liabilities	3,911
Non-current:
Operating leases	Operating lease liabilities	77,485
Finance leases	Other liabilities	5,952
Total lease liabilities		$	106,147

(*) Finance leases are recorded net of accumulated depreciation of $2.0 million .

The components of our operating and finance lease expenses were as follows:



	Quarter Ended March 31, 2020			Six Months Ended March 31, 2020
	(In thousands)
Operating lease cost	$	6,518		$	11,926
Finance lease cost:
Depreciation of lease assets	811			1,268
Interest on lease liabilities	89			148
Short-term lease cost	(256		)	807
Variable lease cost	846			1,820
Total lease cost	$	8,008		$	15,969

The following table presents weighted average lease term and weighted average discount rates related to our operating and finance leases:



	March 31, 2020
	Operating Leases		Finance Leases
Weighted average remaining lease term (in months)	68		32
Weighted average discount rate	3.85	%	3.87	%

Supplemental cash flow information related to our operating and finance leases was as follows:



	Six Months Ended March 31, 2020
	(In thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow for operating leases	$	10,000
Operating cash outflow for finance leases	148
Financing cash outflow for finance leases	712
Lease assets obtained in exchange for new lease liabilities:
Operating leases	8,723
Finance leases	5,148

Future lease payments under our non-cancellable leases as of March 31, 2020 were as follows:



(In thousands)	Operating Leases			Finance Leases
Remainder of fiscal 2020	$	10,292		$	2,347
Fiscal 2021	22,929			3,727
Fiscal 2022	18,216			3,726
Fiscal 2023	17,301			560
Fiscal 2024	14,736			—
Fiscal 2025	8,354			—
Thereafter	15,226			—
Total future undiscounted lease payments	107,054			10,360
Less imputed interest	(10,770		)	(497		)
Total reported lease liability	$	96,284		$	9,863

In accordance with the prior guidance—ASC 840, Leases—our leases were previously designated as either capital or operating. Previously designated capital leases are now considered finance leases under the new guidance, Topic 842. The designation of operating leases remains substantially unchanged under the new guidance. The future minimum lease payments by fiscal year as determined prior to the adoption of Topic 842 under our previously designated capital and operating leases as disclosed in our Annual Report on Form 10-K for the fiscal year ended September 30, 2019, were as follows:



(In thousands)	Operating Leases		Capital Leases
Fiscal 2020	$	19,842	$	1,935
Fiscal 2021	19,969		1,934
Fiscal 2022	17,677		1,934
Fiscal 2023	16,940		—
Fiscal 2024	14,887		—
Thereafter	24,431		—
Total minimum lease payments	$	113,746	5,803
Less amount representing interest			(379		)
Present value of minimum lease payments			$	5,424

Leases

The following table presents the lease balances within the condensed consolidated balance sheets:



	Balance Sheet Location	March 31, 2020
		(In thousands)
Assets
Operating leases	Operating lease right-of-use assets	$	87,142
Finance leases (*)	Property and equipment, net	9,517
Total lease assets		$	96,659
Liabilities
Current:
Operating leases	Other accrued liabilities	$	18,799
Finance leases	Other accrued liabilities	3,911
Non-current:
Operating leases	Operating lease liabilities	77,485
Finance leases	Other liabilities	5,952
Total lease liabilities		$	106,147

(*) Finance leases are recorded net of accumulated depreciation of $2.0 million .

The components of our operating and finance lease expenses were as follows:



	Quarter Ended March 31, 2020			Six Months Ended March 31, 2020
	(In thousands)
Operating lease cost	$	6,518		$	11,926
Finance lease cost:
Depreciation of lease assets	811			1,268
Interest on lease liabilities	89			148
Short-term lease cost	(256		)	807
Variable lease cost	846			1,820
Total lease cost	$	8,008		$	15,969

The following table presents weighted average lease term and weighted average discount rates related to our operating and finance leases:



	March 31, 2020
	Operating Leases		Finance Leases
Weighted average remaining lease term (in months)	68		32
Weighted average discount rate	3.85	%	3.87	%

Supplemental cash flow information related to our operating and finance leases was as follows:



	Six Months Ended March 31, 2020
	(In thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow for operating leases	$	10,000
Operating cash outflow for finance leases	148
Financing cash outflow for finance leases	712
Lease assets obtained in exchange for new lease liabilities:
Operating leases	8,723
Finance leases	5,148

Future lease payments under our non-cancellable leases as of March 31, 2020 were as follows:



(In thousands)	Operating Leases			Finance Leases
Remainder of fiscal 2020	$	10,292		$	2,347
Fiscal 2021	22,929			3,727
Fiscal 2022	18,216			3,726
Fiscal 2023	17,301			560
Fiscal 2024	14,736			—
Fiscal 2025	8,354			—
Thereafter	15,226			—
Total future undiscounted lease payments	107,054			10,360
Less imputed interest	(10,770		)	(497		)
Total reported lease liability	$	96,284		$	9,863



(In thousands)	Operating Leases		Capital Leases
Fiscal 2020	$	19,842	$	1,935
Fiscal 2021	19,969		1,934
Fiscal 2022	17,677		1,934
Fiscal 2023	16,940		—
Fiscal 2024	14,887		—
Thereafter	24,431		—
Total minimum lease payments	$	113,746	5,803
Less amount representing interest			(379		)
Present value of minimum lease payments			$	5,424

Contingencies	6 Months Ended
Contingencies	Mar. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Contingencies	Contingencies We are in disputes with certain customers regarding amounts owed in connection with the sale of certain of our products and services. We also have had claims asserted by former employees relating to compensation and other employment matters. We are also involved in various other claims and legal actions arising in the ordinary course of business. We record litigation accruals for legal matters which are both probable and estimable. For legal proceedings for which there is a reasonable possibility of loss (meaning those losses for which the likelihood is more than remote but less than probable), we have determined we do not have material exposure on an aggregate basis.

Nature of Business (Policies)	6 Months Ended
Nature of Business (Policies)	Mar. 31, 2020
Accounting Policies [Abstract]
Fair Isaac Corporation	Fair Isaac Corporation Incorporated under the laws of the State of Delaware, Fair Isaac Corporation (“FICO”) is a provider of analytic, software and data management products and services that enable businesses to automate, improve and connect decisions. FICO provides a range of analytical solutions, credit scoring and credit account management products and services to banks, credit reporting agencies, credit card processing agencies, insurers, retailers, telecommunications providers, pharmaceutical companies, healthcare organizations, public agencies and organizations in other industries. In this Quarterly Report on Form 10-Q, Fair Isaac Corporation is referred to as “FICO,” “we,” “us,” “our,” or “the Company.”
Principles of Consolidation and Basis of Presentation	Principles of Consolidation and Basis of Presentation We have prepared the accompanying unaudited interim condensed consolidated financial statements in accordance with the instructions to Form 10-Q and the applicable accounting guidance. Consequently, we have not necessarily included all information and footnotes required for audited financial statements. In our opinion, the accompanying unaudited interim condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments, except as otherwise indicated) necessary for a fair presentation of our financial position and results of operations. These unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with our audited consolidated financial statements and notes thereto presented in our Annual Report on Form 10-K for the fiscal year ended September 30, 2019 . The interim financial information contained in this report is not necessarily indicative of the results to be expected for any other interim period or for the entire fiscal year. As discussed in New Accounting Pronouncements below and Note 13, effective October 1, 2019, we adopted Accounting Standards Update (“ASU”) No. 2016-02, “ Leases (Topic 842) ” and subsequent amendments to the initial guidance: ASU 2017-13, ASU 2018-10, ASU 2018-11, ASU 2018-20 and ASU 2019-01 (collectively, “Topic 842”) using the modified retrospective approach, under which financial results reported in prior periods were not restated. As a result, the condensed consolidated balance sheet as of March 31, 2020 is not comparable with that as of September 30, 2019. See our Annual Report on Form 10-K filed with the SEC on November 8, 2019 for lease policies that were in effect in prior periods before adoption of Topic 842. The condensed consolidated financial statements include the accounts of FICO and its subsidiaries. All intercompany accounts and transactions have been eliminated.
Use of Estimates	Use of Estimates We make estimates and assumptions that affect the amounts reported in the financial statements and the disclosures made in the accompanying notes. For example, we use estimates in determining the collectability of accounts receivable; the appropriate levels of various accruals; labor hours in connection with fixed-fee service contracts; the amount of our tax provision and the realizability of deferred tax assets. We also use estimates in determining the remaining economic lives and carrying values of acquired intangible assets, property and equipment, and other long-lived assets. In addition, we use assumptions to estimate the fair value of reporting units and share-based compensation. Actual results may differ from our estimates.
New Accounting Pronouncements	New Accounting Pronouncements Recently Adopted Accounting Pronouncements In February 2016, the Financial Accounting Standards Board (“FASB”) issued Topic 842, which requires the recognition of operating lease assets and lease liabilities on the balance sheet. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. Under the new standard, disclosures are required to enable users of financial statements to assess the amount, timing and uncertainty of cash flows arising from leases. In the first quarter of fiscal 2020, we adopted Topic 842 using the “Comparatives Under 840 Option” approach to transition. In accordance with the standard, the comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods. Topic 842 provided a package of practical expedients that allow an entity to not reassess (1) whether any expired or existing contracts contain a lease, (2) the lease classification of any expired or existing lease, and (3) initial direct costs for any existing leases. We elected to apply the package of practical expedients, and did not elect the hindsight practical expedient in determining the lease term for existing leases as of October 1, 2019. Adoption of Topic 842 did not result in the recognition of a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. The most significant impact of adoption was the recognition of operating lease assets and operating lease liabilities of $89.8 million and $98.9 million , respectively, while our accounting for existing capital leases (now referred to as finance leases) remained substantially unchanged. We expect the impact of adoption to be immaterial to our consolidated statements of income and comprehensive income and consolidated statements of cash flows on an ongoing basis. As part of our adoption, we also modified our control procedures and processes, none of which materially affected our internal control over financial reporting. See Note 13 for additional information regarding our accounting policy for leases and additional disclosures. Recent Accounting Pronouncements Not Yet Adopted In August 2018, the FASB issued ASU No. 2018-15, “ Intangibles—Goodwill and Other (Topic 350): Internal-Use Software ” (“ASU 2018-15”). ASU 2018-15 aligns the requirements for capitalizing implementation costs incurred in a cloud computing arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The standard is effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019, which means that it will be effective for our fiscal year beginning October 1, 2020. Early adoption is permitted. We do not believe that adoption of ASU 2018-15 will have a significant impact on our consolidated financial statements. In June 2016, the FASB issued ASU No. 2016-13, “ Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments ” and subsequent amendments to the initial guidance: ASU 2018-19, ASU 2019-04, ASU 2019-05 and ASU 2019-11 (collectively, “Topic 326”). Topic 326 requires measurement and recognition of expected credit losses for financial assets held. Topic 326 is effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019, which means it will be effective for our fiscal year beginning October 1, 2020. Early adoption is permitted. We do not believe that adoption of Topic 326 will have a significant impact on our consolidated financial statements. We do not expect that any other recently issued accounting pronouncements will have a significant effect on our financial statements.
Contract Balances	In instances where the timing of revenue recognition differs from the timing of invoicing, we have determined our contracts generally do not include a significant financing component. The primary purpose of our invoicing terms is to provide customers with simplified and predictable ways of purchasing our products and services, not to provide customers with financing or to receive financing from our customers. Examples include multi-year on-premises licenses that are invoiced annually with revenue recognized upfront, and invoicing at the beginning of a SaaS subscription term with revenue recognized ratably over the contract period. We record a receivable when we satisfy a performance obligation prior to invoicing if only the passage of time is required before payment is due or if we have an unconditional right to consideration before we satisfy a performance obligation. We record a contract asset when we satisfy a performance obligation prior to invoicing but our right to consideration is conditional. We record deferred revenue when the payment is made or due before we satisfy a performance obligation.
Leases	We lease office space and data centers under operating lease arrangements, which constitute the majority of our lease obligations. We also enter into finance lease agreements from time to time for certain computer equipment. For any lease with a lease term in excess of 12 months, the related lease assets and liabilities are recognized on our condensed consolidated balance sheets as either operating or finance leases at the commencement of an agreement where it is determined that a lease exists. We have lease agreements that contain both lease and non-lease components, and we have elected to combine these components together and account for them as a single lease component for all classes of assets. Leases with a lease term of 12 months or less are not recorded on our condensed consolidated balance sheets. Furthermore, we recognize lease expense for these leases on a straight-line basis over the lease term. Operating lease assets represent the right to use an underlying asset for the lease term and operating lease liabilities represent the obligation to make lease payments arising from the lease. These assets and liabilities are recognized based on the present value of future payments over the lease term at the commencement date. We use a collateralized incremental borrowing rate based on the information available at the commencement date, including the lease term, in determining the present value of future payments. In calculating the incremental borrowing rates, we consider recent ratings from credit agencies and current lease demographic information. Our operating leases also typically require payment of real estate taxes, common area maintenance, insurance and other operating costs as well as payments that are adjusted based on a consumer price index. These components comprise the majority of our variable lease cost and are excluded from the present value of our lease obligations. In instances where they are fixed, they are included due to our election to combine lease and non-lease components. Operating lease assets also include prepaid lease payments and initial direct costs, and are reduced by lease incentives. Our lease terms generally do not include options to extend or terminate the lease unless it is reasonably certain that the option will be exercised. Fixed payments may contain predetermined fixed rent escalations. We recognize the related rent expense on a straight-line basis from the commencement date to the end of the lease term.

- Definition

Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.

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+ Details

Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Financial Assets Measured on a Recurring Basis

The following tables represent financial assets that we measured at fair value on a recurring basis at March 31, 2020 and September 30, 2019 :



March 31, 2020	Active Markets for Identical Instruments (Level 1)		Fair Value as of March 31, 2020
	(In thousands)
Assets:
Cash equivalents (1)	$	25,166	$	25,166
Marketable securities (2)	19,544		19,544
Total	$	44,710	$	44,710

September 30, 2019	Active Markets for Identical Instruments (Level 1)		Fair Value as of September 30, 2019
	(In thousands)
Assets:
Cash equivalents (1)	$	28,901	$	28,901
Marketable securities (2)	20,222		20,222
Total	$	49,123	$	49,123


(1)	Included in cash and cash equivalents on our condensed consolidated balance sheets at March 31, 2020 and September 30, 2019 . Not included in these tables are cash deposits of $83.8 million and $77.5 million at March 31, 2020 and September 30, 2019 , respectively.

(2)

Represents securities held under a supplemental retirement and savings plan for senior management employees, which are distributed upon termination or retirement of the employees. Included in marketable securities on our condensed consolidated balance sheets at March 31, 2020 and September 30, 2019 .

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References + Details

Derivative Financial Instruments (Tables)

6 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Outstanding Foreign Currency Forward Contracts

The following tables summarize our outstanding foreign currency forward contracts, by currency, at March 31, 2020 and September 30, 2019 :



	March 31, 2020
	Contract Amount				Fair Value
	Foreign Currency		USD		USD
	(In thousands)
Sell foreign currency:
Euro (EUR)	EUR	10,000	$	11,004	$	—
Buy foreign currency:
British pound (GBP)	GBP	21,781	$	27,000	$	—
Singapore dollar (SGD)	SGD	10,274	$	7,200	$	—



	September 30, 2019
	Contract Amount				Fair Value
	Foreign Currency		USD		USD
	(In thousands)
Sell foreign currency:
Euro (EUR)	EUR	10,800	$	11,723	$	—
Buy foreign currency:
British pound (GBP)	GBP	5,200	$	6,400	$	—
Singapore dollar (SGD)	SGD	5,798	$	4,200	$	—

Losses on Derivative Financial Instruments



	Quarter Ended March 31,					Six Months Ended March 31,
	2020			2019		2020			2019
	(In thousands)
Gains (losses) on foreign currency forward contracts	$	(2,194	)	$	720	$	(1,049	)	$	316

- Definition

Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

+ References + Details

Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Amortization Expense



	Quarter Ended March 31,				Six Months Ended March 31,
	2020		2019		2020		2019
	(In thousands)
Completed technology	$	463	$	494	$	1,038	$	988
Customer contracts and relationships	658		1,009		1,798		2,017
Trade names	38		—		75		—
Non-compete agreements	43		—		87		—
Total	$	1,202	$	1,503	$	2,998	$	3,005

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future intangible asset amortization expense associated with intangible assets existing at March 31, 2020 was as follows:



Year Ending September 30,	(In thousands)
2020 (excluding the six months ended March 31, 2020)	$	1,987
2021	3,622
2022	3,334
2023	1,317
2024	917
	$	11,177

Schedule of Goodwill

The following table summarizes changes to goodwill during the six months ended March 31, 2020 , both in total and as allocated to our segments:



	Applications		Scores		Decision Management Software		Total
	(In thousands)
Balance at September 30, 2019	$	588,614	$	146,648	$	68,280	$	803,542
Foreign currency translation adjustment	1,006		—		102		1,108
Balance at March 31, 2020	$	589,620	$	146,648	$	68,382	$	804,650

Composition of Certain Financial Statement Captions (Tables)

6 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Property and Equipment

The following table summarizes property and equipment, and the related accumulated depreciation and amortization, at March 31, 2020 and September 30, 2019 :



	March 31, 2020			September 30, 2019
	(In thousands)
Property and equipment	$	184,539		$	172,075
Less: accumulated depreciation and amortization	(125,048		)	(119,048		)
	$	59,491		$	53,027

- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References + Details

Senior Notes (Tables)

6 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Carrying Amounts and Fair Values of Senior Notes

The following table presents the face values and fair values for the Senior Notes at March 31, 2020 and September 30, 2019 :



	March 31, 2020				September 30, 2019
	Face Value (*)		Fair Value		Face Value (*)		Fair Value
	(In thousands)
The 2010 Senior Notes	85,000		85,255		85,000		86,121
The 2018 Senior Notes	400,000		402,000		400,000		428,000
The 2019 Senior Notes	350,000		331,625		—		—
Total	$	835,000	$	818,880	$	485,000	$	514,121

(*) The carrying value of the Senior Notes was reduced by the net debt issuance costs of $11.4 million and $5.2 million at March 31, 2020 and September 30, 2019 , respectively.

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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+ Details

Restructuring Expenses (Tables)

6 Months Ended

Mar. 31, 2020

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Accruals



	Accrual at		Expense Additions		Cash Payments			Adjustment (*)			Accrual at
	September 30, 2019		Expense Additions		Cash Payments			Adjustment (*)			March 31, 2020
	(In thousands)
Facilities charges	$	1,378	$	—	$	—		$	(1,378	)	$	—
Employee separation	—		3,104		(2,956		)	—			148
	1,378		$	3,104	$	(2,956	)	$	(1,378	)	148

- Definition

Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets.

+ References + Details

Earnings per Share (Tables)

6 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Reconciliation of Numerators and Denominators of Basic and Diluted Earnings Per Share



	Quarter Ended March 31,				Six Months Ended March 31,
	2020		2019		2020		2019
	(In thousands, except per share data)
Numerator for diluted and basic earnings per share:
Net Income	$	58,288	$	33,381	$	113,209	$	73,388
Denominator - share:
Basic weighted-average shares	29,194		29,074		29,109		29,017
Effect of dilutive securities	791		1,185		967		1,280
Diluted weighted-average shares	29,985		30,259		30,076		30,297
Earnings per share:
Basic	$	2.00	$	1.15	$	3.89	$	2.53
Diluted	$	1.94	$	1.10	$	3.76	$	2.42

Segment Information (Tables)

6 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Summary of Segment Information

The following tables summarize segment information for the quarters and six-month periods ended March 31, 2020 and 2019 :



	Quarter Ended March 31, 2020
	Applications			Scores			Decision Management Software			Unallocated Corporate Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	97,789		$	127,610		$	15,303		$	—		$	240,702
Professional services	35,134			819			11,952			—			47,905
License	7,356			719			11,289			—			19,364
Total segment revenues	140,279			129,148			38,544			—			307,971
Segment operating expense	(111,456		)	(15,660		)	(47,354		)	(33,785		)	(208,255		)
Segment operating income (loss)	$	28,823		$	113,488		$	(8,810	)	$	(33,785	)	99,716
Unallocated share-based compensation expense													(22,788		)
Unallocated amortization expense													(1,202		)
Operating income													75,726
Unallocated interest expense, net													(11,254		)
Unallocated other expense, net													(2,008		)
Income before income taxes													$	62,464
Depreciation expense	$	4,553		$	141		$	1,158		$	108		$	5,960



	Quarter Ended March 31, 2019
	Applications			Scores			Decision Management Software			Unallocated Corporate Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	97,074		$	102,363		$	12,342		$	—		$	211,779
Professional services	35,981			901			13,673			—			50,555
License	8,760			1,139			6,001			—			15,900
Total segment revenues	141,815			104,403			32,016			—			278,234
Segment operating expense	(111,643		)	(16,167		)	(40,384		)	(39,506		)	(207,700		)
Segment operating income (loss)	$	30,172		$	88,236		$	(8,368	)	$	(39,506	)	70,534
Unallocated share-based compensation expense													(20,482		)
Unallocated amortization expense													(1,503		)
Operating income													48,549
Unallocated interest expense, net													(10,008		)
Unallocated other expense, net													1,433
Income before income taxes													$	39,974
Depreciation expense	$	4,662		$	132		$	972		$	229		$	5,995



	Six Months Ended March 31, 2020
	Applications			Scores			Decision Management Software			Unallocated Corporate Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	196,626		$	235,056		$	29,394		$	—		$	461,076
Professional services	69,157			1,083			21,690			—			91,930
License	26,674			8,147			18,648			—			53,469
Total segment revenues	292,457			244,286			69,732			—			606,475
Segment operating expense	(227,466		)	(33,372		)	(97,999		)	(67,995		)	(426,832		)
Segment operating income (loss)	$	64,991		$	210,914		$	(28,267	)	$	(67,995	)	179,643
Unallocated share-based compensation expense													(45,933		)
Unallocated amortization expense													(2,998		)
Unallocated restructuring and acquisition-related													(3,104		)
Operating income													127,608
Unallocated interest expense, net													(21,022		)
Unallocated other income, net													(2,227		)
Income before income taxes													$	104,359
Depreciation expense	$	8,902		$	257		$	2,144		$	333		$	11,636



	Six Months Ended March 31, 2019
	Applications			Scores			Decision Management Software			Unallocated Corporate Expenses			Total
	(In thousands)
Segment revenues:
Transactional and maintenance	$	194,239		$	187,184		$	24,549		$	—		$	405,972
Professional services	67,443			1,602			22,318			—			91,363
License	27,792			1,300			14,063			—			43,155
Total segment revenues	289,474			190,086			60,930			—			540,490
Segment operating expense	(219,241		)	(29,649		)	(79,946		)	(68,760		)	(397,596		)
Segment operating income (loss)	$	70,233		$	160,437		$	(19,016	)	$	(68,760	)	142,894
Unallocated share-based compensation expense													(42,336		)
Unallocated amortization expense													(3,005		)
Operating income													97,553
Unallocated interest expense, net													(19,684		)
Unallocated other income, net													(739		)
Income before income taxes													$	77,130
Depreciation expense	$	9,459		$	257		$	1,961		$	462		$	12,139

Disaggregation of Revenue [Table Text Block]

Information about disaggregated revenue by product deployment methods was as follows:



	Quarter Ended March 31, 2020
Reportable Segments	On-Premises		SaaS		Scores		Total		Percentage
	(Dollars in thousands)
Applications	$	76,341	$	63,938	$	—	$	140,279	46	%
Scores	—		—		129,148		129,148		42	%
Decision Management Software	28,847		9,697		—		38,544		12	%
Total	$	105,188	$	73,635	$	129,148	$	307,971	100	%



	Quarter Ended March 31, 2019
Reportable Segments	On-Premises		SaaS		Scores		Total		Percentage
	(Dollars in thousands)
Applications	$	81,311	$	60,504	$	—	$	141,815	51	%
Scores	—		—		104,403		104,403		38	%
Decision Management Software	25,725		6,291		—		32,016		11	%
Total	$	107,036	$	66,795	$	104,403	$	278,234	100	%



	Six Months Ended March 31, 2020
Reportable Segments	On-Premises		SaaS		Scores		Total		Percentage
	(Dollars in thousands)
Applications	$	162,319	$	130,138	$	—	$	292,457	48	%
Scores	—		—		244,286		244,286		40	%
Decision Management Software	52,526		17,206		—		69,732		12	%
Total	$	214,845	$	147,344	$	244,286	$	606,475	100	%



	Six Months Ended March 31, 2019
Reportable Segments	On-Premises		SaaS		Scores		Total		Percentage
	(Dollars in thousands)
Applications	$	170,906	$	118,568	$	—	$	289,474	54	%
Scores	—		—		190,086		190,086		35	%
Decision Management Software	49,334		11,596		—		60,930		11	%
Total	$	220,240	$	130,164	$	190,086	$	540,490	100	%

Information about disaggregated revenue by primary geographical markets was as follows:



	Quarter Ended March 31, 2020
Reportable Segments	North America		Latin America		Europe, Middle East and Africa		Asia Pacific		Total
	(In thousands)
Applications	$	78,900	$	9,672	$	34,271	$	17,436	$	140,279
Scores	123,249		2,619		1,720		1,560		129,148
Decision Management Software	21,007		5,917		6,920		4,700		38,544
Total	$	223,156	$	18,208	$	42,911	$	23,696	$	307,971



	Quarter Ended March 31, 2019
Reportable Segments	North America		Latin America		Europe, Middle East and Africa		Asia Pacific		Total
	(In thousands)
Applications	$	87,226	$	6,670	$	33,238	$	14,681	$	141,815
Scores	100,491		1,368		1,472		1,072		104,403
Decision Management Software	16,600		3,327		7,173		4,916		32,016
Total	$	204,317	$	11,365	$	41,883	$	20,669	$	278,234



	Six Months Ended March 31, 2020
Reportable Segments	North America		Latin America		Europe, Middle East and Africa		Asia Pacific		Total
	(In thousands)
Applications	$	164,366	$	19,189	$	74,055	$	34,847	$	292,457
Scores	233,446		2,903		3,258		4,679		244,286
Decision Management Software	36,594		10,250		14,185		8,703		69,732
Total	$	434,406	$	32,342	$	91,498	$	48,229	$	606,475



	Six Months Ended March 31, 2019
Reportable Segments	North America		Latin America		Europe, Middle East and Africa		Asia Pacific		Total
	(In thousands)
Applications	$	168,175	$	24,923	$	65,800	$	30,576	$	289,474
Scores	182,564		1,882		3,006		2,634		190,086
Decision Management Software	30,424		8,552		13,297		8,657		60,930
Total	$	381,163	$	35,357	$	82,103	$	41,867	$	540,490

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599

+ Details

Contract Balances and Performance Obligation Revenue from Contract with Customer (Tables)

6 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Contract with Customer, Asset and Liability

Significant changes in the deferred revenues balances during the six months ended March 31, 2020 and 2019 were as follows:



	Six Months Ended March 31, 2020
	(In thousands)
Deferred revenues at September 30, 2019	$	116,320
Revenue recognized that was included in the deferred revenues balance at the beginning of the period	(75,148		)
Increases due to billings, excluding amounts recognized as revenue during the period	80,382
Deferred revenues at March 31, 2020	$	121,554

Receivables at March 31, 2020 and September 30, 2019 consisted of the following:



	March 31, 2020			September 30, 2019
	(In thousands)
Billed	$	199,102		$	206,714
Unbilled	146,226			127,651
	345,328			334,365
Less: allowance for doubtful accounts	(5,248		)	(2,568		)
Net receivables	340,080			331,797
Less: long-term receivables *	(32,773		)	(34,370		)
Short-term receivables *	$	307,307		$	297,427

(*) Short-term receivables and long-term receivables were recorded in accounts receivable, net and other assets, respectively, within the accompanying condensed consolidated balance sheets.

Leases (Tables)

6 Months Ended

Mar. 31, 2020

Leases [Abstract]

Schedule of Operating & Finance Lease Assets and Liabilities

The following table presents the lease balances within the condensed consolidated balance sheets:



	Balance Sheet Location	March 31, 2020
		(In thousands)
Assets
Operating leases	Operating lease right-of-use assets	$	87,142
Finance leases (*)	Property and equipment, net	9,517
Total lease assets		$	96,659
Liabilities
Current:
Operating leases	Other accrued liabilities	$	18,799
Finance leases	Other accrued liabilities	3,911
Non-current:
Operating leases	Operating lease liabilities	77,485
Finance leases	Other liabilities	5,952
Total lease liabilities		$	106,147

(*) Finance leases are recorded net of accumulated depreciation of $2.0 million .

Schedule of Lease Expenses, Weighted Average Lease Term and Weighted Average Discount Rates, and Supplemental Cash Flow Information

The components of our operating and finance lease expenses were as follows:



	Quarter Ended March 31, 2020			Six Months Ended March 31, 2020
	(In thousands)
Operating lease cost	$	6,518		$	11,926
Finance lease cost:
Depreciation of lease assets	811			1,268
Interest on lease liabilities	89			148
Short-term lease cost	(256		)	807
Variable lease cost	846			1,820
Total lease cost	$	8,008		$	15,969

The following table presents weighted average lease term and weighted average discount rates related to our operating and finance leases:



	March 31, 2020
	Operating Leases		Finance Leases
Weighted average remaining lease term (in months)	68		32
Weighted average discount rate	3.85	%	3.87	%

Supplemental cash flow information related to our operating and finance leases was as follows:



	Six Months Ended March 31, 2020
	(In thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow for operating leases	$	10,000
Operating cash outflow for finance leases	148
Financing cash outflow for finance leases	712
Lease assets obtained in exchange for new lease liabilities:
Operating leases	8,723
Finance leases	5,148

Schedule of Future Lease Payments, Operating Leases

Future lease payments under our non-cancellable leases as of March 31, 2020 were as follows:



(In thousands)	Operating Leases			Finance Leases
Remainder of fiscal 2020	$	10,292		$	2,347
Fiscal 2021	22,929			3,727
Fiscal 2022	18,216			3,726
Fiscal 2023	17,301			560
Fiscal 2024	14,736			—
Fiscal 2025	8,354			—
Thereafter	15,226			—
Total future undiscounted lease payments	107,054			10,360
Less imputed interest	(10,770		)	(497		)
Total reported lease liability	$	96,284		$	9,863

Schedule of Future Lease Payments, Finance Leases

Future lease payments under our non-cancellable leases as of March 31, 2020 were as follows:



(In thousands)	Operating Leases			Finance Leases
Remainder of fiscal 2020	$	10,292		$	2,347
Fiscal 2021	22,929			3,727
Fiscal 2022	18,216			3,726
Fiscal 2023	17,301			560
Fiscal 2024	14,736			—
Fiscal 2025	8,354			—
Thereafter	15,226			—
Total future undiscounted lease payments	107,054			10,360
Less imputed interest	(10,770		)	(497		)
Total reported lease liability	$	96,284		$	9,863

Schedule of Future Minimum Rental Payments for Operating Leases

The future minimum lease payments by fiscal year as determined prior to the adoption of Topic 842 under our previously designated capital and operating leases as disclosed in our Annual Report on Form 10-K for the fiscal year ended September 30, 2019, were as follows:



(In thousands)	Operating Leases		Capital Leases
Fiscal 2020	$	19,842	$	1,935
Fiscal 2021	19,969		1,934
Fiscal 2022	17,677		1,934
Fiscal 2023	16,940		—
Fiscal 2024	14,887		—
Thereafter	24,431		—
Total minimum lease payments	$	113,746	5,803
Less amount representing interest			(379		)
Present value of minimum lease payments			$	5,424

Schedule of Future Minimum Lease Payments for Capital Leases



(In thousands)	Operating Leases		Capital Leases
Fiscal 2020	$	19,842	$	1,935
Fiscal 2021	19,969		1,934
Fiscal 2022	17,677		1,934
Fiscal 2023	16,940		—
Fiscal 2024	14,887		—
Thereafter	24,431		—
Total minimum lease payments	$	113,746	5,803
Less amount representing interest			(379		)
Present value of minimum lease payments			$	5,424

Nature of Business Additional (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Oct. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating leases	$ 87,142
Total reported lease liability	$ 96,284
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating leases		$ 89,800
Total reported lease liability		$ 98,900

Fair Value Measurements - Financial Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Thousands

Mar. 31, 2020

Sep. 30, 2019

Assets:

Marketable securities

$ 19,544

$ 20,222

Cash deposits

83,800

77,500

Fair Value, Measurements, Recurring

Assets:

Cash equivalents

^[1]

25,166

28,901

Marketable securities

^[2]

19,544

20,222

Total

44,710

49,123

Fair Value, Measurements, Recurring | Active Markets for Identical Instruments (Level 1)

Assets:

Cash equivalents

^[1]

25,166

28,901

Marketable securities

^[2]

19,544

20,222

Total

$ 44,710

$ 49,123

[1]	Included in cash and cash equivalents on our condensed consolidated balance sheets at March 31, 2020 and September 30, 2019 . Not included in these tables are cash deposits of $83.8 million and $77.5 million at March 31, 2020 and September 30, 2019 , respectively.
[2]	Represents securities held under a supplemental retirement and savings plan for senior management employees, which are distributed upon termination or retirement of the employees. Included in marketable securities on our condensed consolidated balance sheets at March 31, 2020 and September 30, 2019 .

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References + Details

Derivative Financial Instruments - Additional Information (Detail) - USD ($)	6 Months Ended
	Mar. 31, 2020	Sep. 30, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Short-term forward contracts, average maturities at inception (less than)	3 months
Foreign currency forward contracts
Derivative [Line Items]
Forward foreign currency contracts fair value	$ 0	$ 0

Derivative Financial Instruments - Summary of Outstanding Forward Foreign Currency Contracts by Currency (Detail) € in Thousands, £ in Thousands, $ in Thousands, $ in Thousands	Mar. 31, 2020 GBP (£)	Mar. 31, 2020 SGD ($)	Mar. 31, 2020 EUR (€)	Mar. 31, 2020 USD ($)	Sep. 30, 2019 GBP (£)	Sep. 30, 2019 SGD ($)	Sep. 30, 2019 EUR (€)	Sep. 30, 2019 USD ($)
Foreign Exchange Contracts To Sell European Euro for US Dollar
Derivative [Line Items]
Fair value of forward foreign currency contracts to sell and buy foreign currency				$ 0				$ 0
Foreign Exchange Contracts To Sell European Euro for US Dollar \| Foreign currency forward contracts \| Short \| Not Designated as Hedging Instrument
Derivative [Line Items]
Contract amount of forward foreign currency contracts			€ 10,000	11,004			€ 10,800	11,723
Foreign Exchange Contracts To Purchase British Pounds With US Dollars
Derivative [Line Items]
Fair value of forward foreign currency contracts to sell and buy foreign currency				0				0
Foreign Exchange Contracts To Purchase British Pounds With US Dollars \| Foreign currency forward contracts \| Short \| Not Designated as Hedging Instrument
Derivative [Line Items]
Contract amount of forward foreign currency contracts	£ 21,781			27,000	£ 5,200			6,400
Foreign Exchange Contracts To Purchase Singapore Dollars With US Dollars
Derivative [Line Items]
Fair value of forward foreign currency contracts to sell and buy foreign currency				0				0
Foreign Exchange Contracts To Purchase Singapore Dollars With US Dollars \| Foreign currency forward contracts \| Short \| Not Designated as Hedging Instrument
Derivative [Line Items]
Contract amount of forward foreign currency contracts		$ 10,274		$ 7,200		$ 5,798		$ 4,200

- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References + Details

Derivative Financial Instruments - Gains (Losses) on Derivative Financial Instruments Recorded in Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Foreign currency forward contracts
Derivative [Line Items]
Gains (losses) on foreign currency forward contracts	$ (2,194)	$ 720	$ (1,049)	$ 316

Goodwill and Intangible Assets - Amortization Expense Associated with Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	$ 1,202	$ 1,503	$ 2,998	$ 3,005
Completed Technology
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	463	494	1,038	988
Customer Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	658	1,009	1,798	2,017
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	38	0	75	0
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	$ 43	$ 0	$ 87	$ 0

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References + Details

Goodwill and Intangible Assets - Estimated Future Intangible Asset Amortization Expense (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Estimated future intangible asset amortization expense
2020 (excluding the six months ended March 31, 2020)	$ 1,987
2020	3,622
2021	3,334
2022	1,317
2023	917
Total	$ 11,177	$ 14,139

Goodwill and Intangible Assets - Summary of Changes to Goodwill (Detail) $ in Thousands	6 Months Ended
	Mar. 31, 2020 USD ($)
Goodwill [Roll Forward]
Balance at September 30, 2019	$ 803,542
Foreign currency translation adjustment	1,108
Balance at March 31, 2020	804,650
Applications
Goodwill [Roll Forward]
Balance at September 30, 2019	588,614
Foreign currency translation adjustment	1,006
Balance at March 31, 2020	589,620
Scores
Goodwill [Roll Forward]
Balance at September 30, 2019	146,648
Foreign currency translation adjustment	0
Balance at March 31, 2020	146,648
Decision Management Software
Goodwill [Roll Forward]
Balance at September 30, 2019	68,280
Foreign currency translation adjustment	102
Balance at March 31, 2020	$ 68,382

Composition of Certain Financial Statement Captions - Property and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Property and equipment	$ 184,539
Property and equipment		$ 172,075
Less: accumulated depreciation and amortization	(125,048)
Less: accumulated depreciation and amortization		(119,048)
Total	$ 59,491
Total		$ 53,027

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References + Details

- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References + Details

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References + Details

Revolving Line of Credit (Detail)	May 08, 2018 USD ($)	Mar. 31, 2020 USD ($)
Line of Credit Facility [Line Items]
Unsecured revolving line of credit	$ 400,000,000
Revolving credit facility, expiration date	May 08, 2023
Line of credit facility-option to increase borrowing capacity	$ 100,000,000
Credit facility restrictive covenant, maximum consolidated leverage ratio	3.25
Credit facility restrictive covenant, maximum consolidated leverage ratio step up	3.75
Fixed charge coverage ratio minimum	2.50
Interest coverage ratio	3.00
Borrowings outstanding		$ 124,000,000.0
Interest rate of borrowings outstanding		2.277%
Federal Fund Rate
Line of Credit Facility [Line Items]
Debt instrument basis spread on variable rate	0.50%
LIBOR
Line of Credit Facility [Line Items]
Debt instrument basis spread on variable rate	1.00%
LIBOR \| Minimum
Line of Credit Facility [Line Items]
Debt instrument basis spread on variable rate	1.00%
LIBOR \| Maximum
Line of Credit Facility [Line Items]
Debt instrument basis spread on variable rate	1.875%
Base Rate \| Minimum
Line of Credit Facility [Line Items]
Debt instrument basis spread on variable rate	0.00%
Base Rate \| Maximum
Line of Credit Facility [Line Items]
Debt instrument basis spread on variable rate	0.875%

Senior Notes (Detail)	Dec. 06, 2019 USD ($)	May 08, 2018 USD ($)	Jul. 14, 2010 USD ($) Contract	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)
Debt Instrument [Line Items]
Senior Notes, weighted average interest rate				2.277%
Carrying value of Senior Notes				$ 835,000,000	$ 485,000,000
Fair value of Senior Notes				818,880,000	514,121,000
Debt issuance costs				11,400,000	5,200,000
July 2010 Senior Notes
Debt Instrument [Line Items]
Senior Notes issued in a private placement to a group of institutional investors			$ 245,000,000
Number of series of Senior Notes issued \| Contract			4
Senior Notes, weighted average interest rate			5.60%
Senior Notes, weighted average maturity (in years)			10 years
Net debt to EBITDA ratio maximum			3.00
Fixed charge coverage ratio minimum			2.50
Carrying value of Senior Notes				85,000,000	85,000,000
Fair value of Senior Notes				85,255,000	86,121,000
July 2010 Senior Notes \| Minimum
Debt Instrument [Line Items]
Senior Notes, maturity (in years)			6 years
July 2010 Senior Notes \| Maximum
Debt Instrument [Line Items]
Senior Notes, maturity (in years)			10 years
May 2018 Senior Notes
Debt Instrument [Line Items]
Senior Notes issued in a private placement to a group of institutional investors		$ 400,000,000
Carrying value of Senior Notes				400,000,000	400,000,000
Fair value of Senior Notes				402,000,000	428,000,000
Debt instrument, maturity date		May 15, 2026
Debt Instrument, Interest Rate, Stated Percentage		5.25%
Senior Notes December Six [Member]
Debt Instrument [Line Items]
Senior Notes issued in a private placement to a group of institutional investors	$ 350,000,000
Carrying value of Senior Notes				350,000,000	0
Fair value of Senior Notes				$ 331,625,000	$ 0
Debt instrument, maturity date	Jun. 15, 2028
Debt Instrument, Interest Rate, Stated Percentage	4.00%

Restructuring Expenses - Summary of Restructuring Accruals and Certain Facility Closures (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Oct. 01, 2019	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Restructuring Reserve [Roll Forward]
Accrual at September 30, 2019	$ 1,378,000			$ 1,378,000
Expense Additions		$ 0	$ 0	3,104,000	$ 0
Cash Payments				(2,956,000)
Restructuring Reserve, Accrual Adjustment				(1,378,000)
Accrual at March 31, 2020		148,000		148,000
Reclassification of accrued lease exit obligations to operating lease liabilities				1,378,000
Facilities charges
Restructuring Reserve [Roll Forward]
Accrual at September 30, 2019	1,378,000			1,378,000
Expense Additions				0
Cash Payments				0
Restructuring Reserve, Accrual Adjustment				(1,378,000)
Accrual at March 31, 2020		0		0
Reclassification of accrued lease exit obligations to operating lease liabilities				1,378,000
Employee separation
Restructuring Reserve [Roll Forward]
Accrual at September 30, 2019	0			0
Expense Additions				3,104,000
Cash Payments				(2,956,000)
Restructuring Reserve, Accrual Adjustment				0
Accrual at March 31, 2020		$ 148,000		148,000
Reclassification of accrued lease exit obligations to operating lease liabilities				$ 0
Accounting Standards Update 2016-02 \| Facilities charges
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment	(1,400,000)
Reclassification of accrued lease exit obligations to operating lease liabilities	$ 1,400,000

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References + Details

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References + Details

- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References + Details

- Definition

Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References + Details

Restructuring Expenses - Additional Information (Details)	3 Months Ended		6 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2020 USD ($) position	Mar. 31, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Expense Additions	$ 0	$ 0	$ 3,104,000	$ 0
Number of positions eliminated \| position			69
Facilities charges
Restructuring Cost and Reserve [Line Items]
Expense Additions			$ 0
Employee separation
Restructuring Cost and Reserve [Line Items]
Expense Additions			$ 3,104,000

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References + Details

Income Taxes -Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Effective income tax rate	6.70%	16.50%	(8.50%)	4.90%
Unrecognized tax benefits, uncertain tax positions	$ 7.1		$ 7.1		$ 5.8
Unrecognized tax benefits, accrued interest	$ 0.5		$ 0.5		$ 0.3

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details

Earnings per Share - Reconciliation of Numerators and Denominators of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Numerator for diluted and basic earnings per share:
Net income	$ 58,288	$ 33,381	$ 113,209	$ 73,388
Denominator - share:
Basic weighted-average shares (in shares)	29,194	29,074	29,109	29,017
Effect of dilutive securities (in shares)	791	1,185	967	1,280
Diluted weighted-average shares (in shares)	29,985	30,259	30,076	30,297
Earnings per share:
Basic (in dollars per share)	$ 2.00	$ 1.15	$ 3.89	$ 2.53
Diluted (in dollars per share)	$ 1.94	$ 1.10	$ 3.76	$ 2.42

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References + Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References + Details

Earnings per Share - Additional Information (Detail) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Options to purchase shares of common stock excluded in the computation of diluted earnings per share because their inclusion would be antidilutive (in shares)	13	15	14	7

Segment Information - Additional Information (Detail)	6 Months Ended
Segment Information - Additional Information (Detail)	Mar. 31, 2020 Segment
Segment Reporting [Abstract]
Number of operating segments	3
Number of reportable segments	3

Segment Information - Summary of Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Segment revenues:
Revenues	$ 307,971	$ 278,234	$ 606,475	$ 540,490
Segment operating expense	(232,245)	(229,685)	(478,867)	(442,937)
Operating income	75,726	48,549	127,608	97,553
Unallocated share-based compensation expense	(22,788)	(20,482)	(45,933)	(42,336)
Unallocated amortization expense	(1,202)	(1,503)	(2,998)	(3,005)
Restructuring And Acquisition Related Cost	0	0	(3,104)	0
Unallocated interest expense	(11,254)	(10,008)	(21,022)	(19,684)
Unallocated other expense, net	(2,008)	1,433	(2,227)	(739)
Income before income taxes	62,464	39,974	104,359	77,130
Depreciation expense	5,960	5,995	11,636	12,139
Operating Segments
Segment revenues:
Segment operating expense	(208,255)	(207,700)	(426,832)	(397,596)
Operating income	99,716	70,534	179,643	142,894
Unallocated Corporate Expenses
Segment revenues:
Segment operating expense	(33,785)	(39,506)	(67,995)	(68,760)
Operating income	(33,785)	(39,506)	(67,995)	(68,760)
Depreciation expense	108	229	333	462
Applications
Segment revenues:
Revenues	140,279	141,815	292,457	289,474
Applications \| Operating Segments
Segment revenues:
Revenues	140,279	141,815	292,457	289,474
Segment operating expense	(111,456)	(111,643)	(227,466)	(219,241)
Operating income	28,823	30,172	64,991	70,233
Depreciation expense	4,553	4,662	8,902	9,459
Scores
Segment revenues:
Revenues	129,148	104,403	244,286	190,086
Scores \| Operating Segments
Segment revenues:
Revenues	129,148	104,403	244,286	190,086
Segment operating expense	(15,660)	(16,167)	(33,372)	(29,649)
Operating income	113,488	88,236	210,914	160,437
Depreciation expense	141	132	257	257
Decision Management Software
Segment revenues:
Revenues	38,544	32,016	69,732	60,930
Decision Management Software \| Operating Segments
Segment revenues:
Revenues	38,544	32,016	69,732	60,930
Segment operating expense	(47,354)	(40,384)	(97,999)	(79,946)
Operating income	(8,810)	(8,368)	(28,267)	(19,016)
Depreciation expense	1,158	972	2,144	1,961
Transactional and Maintenance
Segment revenues:
Revenues	240,702	211,779	461,076	405,972
Transactional and Maintenance \| Applications \| Operating Segments
Segment revenues:
Revenues	97,789	97,074	196,626	194,239
Transactional and Maintenance \| Scores \| Operating Segments
Segment revenues:
Revenues	127,610	102,363	235,056	187,184
Transactional and Maintenance \| Decision Management Software \| Operating Segments
Segment revenues:
Revenues	15,303	12,342	29,394	24,549
Technology Service
Segment revenues:
Revenues	47,905	50,555	91,930	91,363
Technology Service \| Applications \| Operating Segments
Segment revenues:
Revenues	35,134	35,981	69,157	67,443
Technology Service \| Scores \| Operating Segments
Segment revenues:
Revenues	819	901	1,083	1,602
Technology Service \| Decision Management Software \| Operating Segments
Segment revenues:
Revenues	11,952	13,673	21,690	22,318
License
Segment revenues:
Revenues	19,364	15,900	53,469	43,155
License \| Applications \| Operating Segments
Segment revenues:
Revenues	7,356	8,760	26,674	27,792
License \| Scores \| Operating Segments
Segment revenues:
Revenues	719	1,139	8,147	1,300
License \| Decision Management Software \| Operating Segments
Segment revenues:
Revenues	$ 11,289	$ 6,001	$ 18,648	$ 14,063

Segment Information - Disaggregation of revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 307,971	$ 278,234	$ 606,475	$ 540,490
North America [Member]
Disaggregation of Revenue [Line Items]
Revenues	223,156	204,317	434,406	381,163
Latin America [Member]
Disaggregation of Revenue [Line Items]
Revenues	18,208	11,365	32,342	35,357
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues	42,911	41,883	91,498	82,103
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues	23,696	20,669	48,229	41,867
On-Premises Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	105,188	107,036	214,845	220,240
SaaS Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	73,635	66,795	147,344	130,164
Scores Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	129,148	104,403	244,286	190,086
Scores
Disaggregation of Revenue [Line Items]
Revenues	129,148	104,403	244,286	190,086
Scores \| North America [Member]
Disaggregation of Revenue [Line Items]
Revenues	123,249	100,491	233,446	182,564
Scores \| Latin America [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,619	1,368	2,903	1,882
Scores \| EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,720	1,472	3,258	3,006
Scores \| Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,560	1,072	4,679	2,634
Scores \| On-Premises Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Scores \| SaaS Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Scores \| Scores Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	129,148	104,403	244,286	190,086
Decision Management Software
Disaggregation of Revenue [Line Items]
Revenues	38,544	32,016	69,732	60,930
Decision Management Software \| North America [Member]
Disaggregation of Revenue [Line Items]
Revenues	21,007	16,600	36,594	30,424
Decision Management Software \| Latin America [Member]
Disaggregation of Revenue [Line Items]
Revenues	5,917	3,327	10,250	8,552
Decision Management Software \| EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues	6,920	7,173	14,185	13,297
Decision Management Software \| Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues	4,700	4,916	8,703	8,657
Decision Management Software \| On-Premises Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	28,847	25,725	52,526	49,334
Decision Management Software \| SaaS Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	9,697	6,291	17,206	11,596
Decision Management Software \| Scores Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Applications
Disaggregation of Revenue [Line Items]
Revenues	140,279	141,815	292,457	289,474
Applications \| North America [Member]
Disaggregation of Revenue [Line Items]
Revenues	78,900	87,226	164,366	168,175
Applications \| Latin America [Member]
Disaggregation of Revenue [Line Items]
Revenues	9,672	6,670	19,189	24,923
Applications \| EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues	34,271	33,238	74,055	65,800
Applications \| Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues	17,436	14,681	34,847	30,576
Applications \| On-Premises Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	76,341	81,311	162,319	170,906
Applications \| SaaS Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	63,938	60,504	130,138	118,568
Applications \| Scores Products [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0
Revenue from Contract with Customer Benchmark [Member]
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	100.00%	100.00%	100.00%	100.00%
Revenue from Contract with Customer Benchmark [Member] \| Scores
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	42.00%	38.00%	40.00%	35.00%
Revenue from Contract with Customer Benchmark [Member] \| Decision Management Software
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	12.00%	11.00%	12.00%	11.00%
Revenue from Contract with Customer Benchmark [Member] \| Applications
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	46.00%	51.00%	48.00%	54.00%

Contract Balances and Performance Obligation - Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Revenue from Contract with Customer [Abstract]
Accounts Receivable, after Allowance for Credit Loss, Noncurrent	$ (32,773)	$ (34,370)
Accounts receivable, net	307,307	297,427
Accounts Receivable, before Allowance for Credit Loss	199,102	206,714
Unbilled Receivables, Current	146,226	127,651
Receivables Gross	345,328	334,365
Accounts Receivable, Allowance for Credit Loss	(5,248)	(2,568)
Accounts Receivable, after Allowance for Credit Loss	$ 340,080	$ 331,797

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References + Details

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent.

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-Subparagraph (SX 210.9-03(9))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

+ Details

- Definition

Amount of allowance for credit loss on accounts receivable.

+ References + Details

Contract Balances and Performance Obligation - Contract Balances (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2020	Sep. 30, 2019
Contract With Customer, Liability [Roll Forward]
Deferred revenues at September 30, 2019	$ 116,320
Revenue recognized that was included in the deferred revenues balance at the beginning of the period	(75,148)
Increases due to billings, excluding amounts recognized as revenue during the period	80,382
Deferred revenues at March 31, 2020	121,554
Deferred revenue and other liabilities, current portion	114,400	$ 111,000
Deferred revenue and other liabilities, noncurrent	$ 7,200	$ 5,300

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References + Details

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References + Details

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

+ References + Details

Contract Balances and Performance Obligation - Performance Obligations (Details) $ in Millions	Mar. 31, 2020 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 253.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period	18 months
Revenue, Remaining Performance Obligation, Percentage	51.00%

Contract Balances and Performance Obligation - Additional (Details) $ in Millions	6 Months Ended
	Mar. 31, 2020 USD ($)
Revenue from External Customer [Line Items]
Revenue, remaining performance obligation, amount	$ 253.4
Minimum
Revenue from External Customer [Line Items]
Contract With Customer, Payment Term	30 days
Maximum
Revenue from External Customer [Line Items]
Contract With Customer, Payment Term	60 days

Leases - Lease Assets and Liabilities (Details)
$ in Thousands

Mar. 31, 2020

USD ($)

Assets

Operating leases

$ 87,142

Finance leases

9,517

^[1]

Total lease assets

96,659

Current:

Operating leases

18,799

Finance leases

3,911

Non-current:

Operating leases

77,485

Finance leases

5,952

Total lease liabilities

106,147

Finance leases, accumulated depreciation

$ 2,000

[1]	Finance leases are recorded net of accumulated depreciation of $2.0 million .

Leases - Lease Cost (Details) $ in Thousands	3 Months Ended	6 Months Ended
Leases - Lease Cost (Details) $ in Thousands	Mar. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)
Leases [Abstract]
Operating lease cost	$ 6,518	$ 11,926
Finance lease cost, depreciation of lease assets	811	1,268
Finance lease cost, interest on lease liabilities	89	148
Short-term lease cost	(256)	807
Variable lease cost	846	1,820
Total lease cost	$ 8,008	$ 15,969
Operating leases, weighted average remaining lease term (in months)	68 months	68 months
Operating leases, weighted average discount rate	3.85%	3.85%
Finance leases, weighted average remaining lease term (in months)	32 months	32 months
Finance leases, weighted average discount rate	3.87%	3.87%

Leases - Cash Flow Information (Details) $ in Thousands	3 Months Ended
Leases - Cash Flow Information (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow for operating leases	$ 10,000
Operating cash outflow for finance leases	148
Financing cash outflow for finance leases	712
Lease assets obtained in exchange for new lease liabilities:
Operating leases	8,723
Finance leases	$ 5,148

Leases - Lease Liabilities, Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Operating Leases, After Adoption of 842
Remainder of fiscal 2020	$ 10,292
Fiscal 2021	22,929
Fiscal 2022	18,216
Fiscal 2023	17,301
Fiscal 2024	14,736
Fiscal 2025	8,354
Thereafter	15,226
Total future undiscounted lease payments	107,054
Less imputed interest	(10,770)
Total reported lease liability	96,284
Finance Leases, After Adoption of 842
Remainder of fiscal 2020	2,347
Fiscal 2021	3,727
Fiscal 2022	3,726
Fiscal 2023	560
Fiscal 2024	0
Fiscal 2025	0
Thereafter	0
Total future undiscounted lease payments	10,360
Less imputed interest	(497)
Total reported lease liability	$ 9,863
Operating Leases, Before Adoption of 842
Fiscal 2020		$ 19,842
Fiscal 2021		19,969
Fiscal 2022		17,677
Fiscal 2023		16,940
Fiscal 2024		14,887
Thereafter		24,431
Total minimum lease payments		113,746
Capital Leases, Before Adoption of 842
Fiscal 2020		1,935
Fiscal 2021		1,934
Fiscal 2022		1,934
Fiscal 2023		0
Fiscal 2024		0
Thereafter		0
Total minimum lease payments		5,803
Less amount representing interest		(379)
Present value of minimum lease payments		$ 5,424