Subsequent Events	6 Months Ended
Mar. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On May 4th, 2021, we signed a definitive agreement to sell our C&R business. The transaction is expected to close in our current fiscal year, subject to customary closing conditions. The decision to sell the C&R business was the result of management’s decision to divest non-platform businesses and focus resources on the growth of our FICO Decision Management Platform. Our C&R business is part of the Applications segment.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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