Document and Entity Information
Jun. 05, 2023
Cover [Abstract]  
Entity Registrant Name FAIR ISAAC CORP
Amendment Flag false
Entity Central Index Key 0000814547
Document Type 8-K
Document Period End Date Jun. 05, 2023
Entity Incorporation State Country Code DE
Entity File Number 001-11689
Entity Tax Identification Number 94-1499887
Entity Address, Address Line One 5 West Mendenhall
Entity Address, Address Line Two Suite 105
Entity Address, City or Town Bozeman
Entity Address, State or Province MT
Entity Address, Postal Zip Code 59715
City Area Code 406
Local Phone Number 982-7276
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.01 par value per share
Trading Symbol FICO
Security Exchange Name NYSE
Entity Emerging Growth Company false