| Component: (Network and Table) | |
|---|---|
| Network | 2406402 - Disclosure - Receivables - Summary of Receivables (Detail) (http://www.fico.com/role/ReceivablesSummaryOfReceivablesDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000814547 (http://www.sec.gov/CIK) |
| Receivables [Abstract] | Period [Axis] | ||
|---|---|---|---|
2016-09-30 | 2015-09-30 | 2014-09-30 | |
Receivables [Abstract] | |||
Billed | |||
Unbilled | |||
Receivables, Gross, Current, Total | |||
Less: allowance for doubtful accounts | ( | ( | ( |
Receivables, net | 167,786,000 | 158,773,000 | |