XML 57 R46.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Income Taxes (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 8 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Apr. 30, 2020 | Jan. 31, 2018 | Jan. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 31, 2018 | Jan. 31, 2017 | Apr. 30, 2018
Effective income tax rate [Abstract] |  |  |  |  |  |  |  |
Effective Tax Rate as Reported |  | (18.10%) | 3.20% |  |  | 4.00% | 49.50% |
Estimated net impact in fiscal 2018 of non-recurring items from Tax Act |  | 42.90% | 0.00% |  |  | 17.40% | 0.00% |
Impact of unfavorable German court decision in fiscal 2017 |  | (0.00%) | (0.00%) |  |  | (0.00%) | (35.80%) |
Impact of reduction in U.K. statutory rate on deferred tax balances in fiscal 2017 |  | (0.00%) | (0.00%) |  |  | (0.00%) | 4.40% |
Effective Tax Rate excluding the impact of non-recurring items from the Tax Act in fiscal 2018 and the unfavorable German court decision and UK tax rate reduction in fiscal 2017 |  | 24.80% | 3.20% |  |  | 21.40% | 18.10% |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Reduction in income tax expense resulting from estimated non-recurring items in the Tax Act |  |  |  |  |  | $ (25.0) |  |
Reduction in income tax expense resulting from estimated non-recurring items in the Tax Act (in dollars per share) |  |  |  |  |  | $ 0.43 |  |
Federal statutory tax rate |  |  |  |  | 35.00% |  |  |
Tax benefit related to re-measurement of net deferred tax liability |  |  |  |  |  | $ (40.0) |  |
Repatriation tax rate on foreign earnings held in cash equivalents and certain net assets |  |  |  |  |  | 15.50% |  |
Repatriation tax rate on foreign earnings held in other assets |  |  |  |  |  | 8.00% |  |
Provisional tax expense related to mandatory deemed repatriation tax on foreign earnings |  |  |  |  |  | $ 14.5 |  |
Plan [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Federal statutory tax rate |  |  |  | 21.00% |  |  |  | 30.40%
U.K. [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Foreign statutory tax rate in 2020 |  |  |  |  |  | 18.00% |  |
U.K. [Member] | Plan [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Foreign statutory tax rate in 2020 | 17.00% |  |  |  |  |  |  |
State [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Accrued provisional tax liability |  | $ 0.5 |  |  |  | $ 0.5 |  |

X
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to favorable (unfavorable) foreign court decision. + References No definition available. + Details
Name: | jwa_EffectiveIncomeTaxRateReconciliationImpactOfFavorableUnfavorableForeignCourtDecisionPercent
Namespace Prefix: | jwa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to impact of increase (reduction) in foreign statutory rate on deferred tax balances. + References No definition available. + Details
Name: | jwa_EffectiveIncomeTaxRateReconciliationImpactOfIncreaseReductionOnForeignStatutoryRateOnDeferredTaxBalances
Namespace Prefix: | jwa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) in income tax rate and transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
Name: | jwa_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent
Namespace Prefix: | jwa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations, excluding the impact of non-recurring items from the Tax Act and the foreign court decision and tax rate change. + References No definition available. + Details
Name: | jwa_EffectiveTaxRateExcludingImpactOfNonRecurringItemsFromTheTaxActAndForeignCourtDecisionAndTaxRateChange
Namespace Prefix: | jwa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of foreign statutory tax rate applicable to pretax income (loss) during the fourth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | jwa_ForeignStatutoryTaxRateYearThree
Namespace Prefix: | jwa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | jwa_IncomeTaxDisclosureLineItems
Namespace Prefix: | jwa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share benefit from difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the non-recurring items. + References No definition available. + Details
Name: | jwa_IncomeTaxReconciliationNonRecurringItemsReducedIncomeTaxExpensesPerShare
Namespace Prefix: | jwa_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of reasonable estimate for income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. + References No definition available. + Details
Name: | jwa_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateProvisionalIncomeTaxExpenseBenefit
Namespace Prefix: | jwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of reasonable estimate for income tax expense (benefit) from effect of Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. + References No definition available. + Details
Name: | jwa_TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit
Namespace Prefix: | jwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of reasonable estimate for income tax expense from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. + References No definition available. + Details
Name: | jwa_TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense
Namespace Prefix: | jwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of reasonable estimate for tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. + References No definition available. + Details
Name: | jwa_TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiability
Namespace Prefix: | jwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of income tax from transition tax on accumulated earnings held in cash equivalents and certain net assets of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
Name: | jwa_TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsHeldInCashEquivalentsAndCertainNetAssetsPercentage
Namespace Prefix: | jwa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of income tax from transition tax on accumulated earnings held in other assets of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
Name: | jwa_TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsHeldInOtherAssetsPercentage
Namespace Prefix: | jwa_
Data Type: | num:percentItemType
Balance Type: | na
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
- References No definition available. + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_HerMajestysRevenueAndCustomsHMRCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |