XML 47 R29.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Nature of Business and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2018
Accounting Policies [Abstract] |
Estimated Useful Life of Property and Equipment | Depreciation and amortization charges are calculated using the straight-line method over the following estimated useful lives:
| Estimated Useful Life
Data processing equipment and software | 3 to 6 years
Office furniture and equipment | 3 to 7 years
Leasehold improvements | Shorter of estimated useful life or lease term
Estimated Useful Life of Definite-Lived Intangible Assets | We amortize our finite-lived intangible assets which result from our acquisitions over the following estimated useful lives:
| Estimated Useful Life
Completed technology | 4 to 10 years
Customer contracts and relationships | 5 to 15 years
Trade names | 3 years

X
- Definition Schedule Of Useful Lives For Property Plant Equipment [Table Text Block] + References No definition available. + Details
Name: | fico_ScheduleOfUsefulLivesForPropertyPlantEquipmentTableTextBlock
Namespace Prefix: | fico_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration