v3.19.3
Cover
Nov. 04, 2019
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 04, 2019
Entity File Number 1-11689
Entity Registrant Name FAIR ISAAC CORPORATION
Entity Central Index Key 0000814547
Entity Tax Identification Number 94-1499887
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 181 Metro Drive
Entity Address, Address Line Two Suite 700
Entity Address, City or Town San Jose
Entity Address, State or Province CA
Entity Address, Postal Zip Code 95110-1346
City Area Code 408
Local Phone Number 535-1500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value per share
Trading Symbol FICO
Security Exchange Name NYSE
Entity Emerging Growth Company false