XML 53 R42.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Income Taxes -Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2018 | Sep. 30, 2018 | Sep. 30, 2017
Income Tax [Line Items] |  |  |  |  |  |  |
Effective income tax rate | 22.50% | 28.60% | 21.10% | 9.20% |  |  |
Provisional charges for the re-measurement of deferred tax assets, long-term |  |  | $ 5.6 |  |  |  |
Provisional charges for the re-measurement of deferred tax assets, short-term |  |  | 4.4 |  |  |  |
Transition tax obligation |  |  | 4.9 |  |  |  |
Unrecognized tax benefits, uncertain tax positions | $ 5.2 |  | 5.2 |  |  |  | $ 6.5
Unrecognized tax benefits, accrued interest | $ 0.4 |  | $ 0.4 |  |  |  | $ 0.4
Scenario, Forecast |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Federal corporate tax rate |  |  |  |  | 21.00% | 24.50% |

X
- Definition [Line Items] for Income Tax [Table] + References No definition available. + Details
Name: | fico_IncomeTaxLineItems
Namespace Prefix: | fico_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Income Tax Expense (Benefit), Incomplete Accounting, Provisional Amount, Current Deferred Tax Asset + References No definition available. + Details
Name: | fico_TaxCutsandJobsActof2017ChangeinTaxRateIncomeTaxExpenseBenefitIncompleteAccountingProvisionalAmountCurrentDeferredTaxAsset
Namespace Prefix: | fico_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Income Tax Expense (Benefit), Incomplete Accounting, Provisional Amount, Non-Current Deferred Tax Asset + References No definition available. + Details
Name: | fico_TaxCutsandJobsActof2017ChangeinTaxRateIncomeTaxExpenseBenefitIncompleteAccountingProvisionalAmountNonCurrentDeferredTaxAsset
Namespace Prefix: | fico_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Tax Cuts and Jobs Act of 2017, Transition Tax for Accumulated Foreign Earnings, Income Tax Expense (Benefit), Incomplete Accounting, Provisional Amount + References No definition available. + Details
Name: | fico_TaxCutsandJobsActof2017TransitionTaxforAccumulatedForeignEarningsIncomeTaxExpenseBenefitIncompleteAccountingProvisionalAmount
Namespace Prefix: | fico_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of interest expense accrued for an underpayment of income taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |