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Commitments and Contingencies (Narrative) (Details) $ in Thousands | Sep. 30, 2015 USD ($)
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Construction Related Contractual Obligation [Member] |
Other Commitment | $ 26,660

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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_OtherCommitmentsAxis=wwd_ConstructionRelatedContractualObligationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |