XML 94 R69.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stock-Based Compensation, President and CEO New Hire Equity Awards (Details) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Apr. 30, 2018 USD ($) Installment $ / shares shares
ELTIP [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Targeted long-term incentive as percentage of base salary | 300.00%
Targeted long-term incentive value | $ | $ 2.7
ELTIP [Member] | Performance Share Units [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of targeted long-term incentive value | 60.00%
Grant date fair value (in dollars per share) | $ / shares | $ 59.15
Awards granted (in shares) | shares | 30,916
ELTIP [Member] | Restricted Share Units [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of targeted long-term incentive value | 40.00%
Grant date fair value (in dollars per share) | $ / shares | $ 59.15
Awards granted (in shares) | shares | 20,611
ELTIP [Member] | Restricted Share Units [Member] | Vesting on April 30, 2018 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Awards vesting percentage | 25.00%
ELTIP [Member] | Restricted Share Units [Member] | Vesting on April 30, 2019 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Awards vesting percentage | 25.00%
ELTIP [Member] | Restricted Share Units [Member] | Vesting on April 30, 2020 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Awards vesting percentage | 25.00%
ELTIP [Member] | Restricted Share Units [Member] | Vesting on April 30, 2021 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Awards vesting percentage | 25.00%
Sign-On Grant [Member] | Restricted Share Units [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Grant date fair value (in dollars per share) | $ / shares | $ 59.15
Awards granted (in shares) | shares | 67,625
Grant value | $ | $ 4.0
Number of equal installments | Installment | 2

X
- Definition Refers to the number of equal installments for vesting shares. + References No definition available. + Details
Name: | jwa_NumberOfEqualInstallments
Namespace Prefix: | jwa_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to the percentage of targeted long-term incentive value. + References No definition available. + Details
Name: | jwa_PercentageOfTargetedLongTermIncentiveValue
Namespace Prefix: | jwa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to the targeted long-term incentive of share-based compensation awards as a percentage of base salary during the performance cycle. + References No definition available. + Details
Name: | jwa_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetedLongTermIncentiveAsPercentageOfBaseSalary
Namespace Prefix: | jwa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to the value of base salary for targeted long-term incentive of share-based compensation awards. + References No definition available. + Details
Name: | jwa_ShareBasedCompensationArrangementByShareBasedPaymentAwardValueOfBaseSalaryForTargetedLongTermIncentive
Namespace Prefix: | jwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of vesting of share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value, before forfeitures, of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP). + References No definition available. + Details
Name: | us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=jwa_ExecutiveLongTermIncentiveProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=jwa_ShareBasedCompensationAwardTrancheNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=jwa_ShareBasedCompensationAwardTrancheTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=jwa_ShareBasedCompensationAwardTrancheElevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=jwa_ShareBasedCompensationAwardTrancheTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=jwa_SignOnGrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |