XML 87 R51.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Financial Instruments and Fair Value Measurements (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2012 | Sep. 30, 2011
--- | --- | ---
Financial Instruments and Fair Value Measurements |  |
Financial liability on recurring basis | $ 0 | $ 0

X
- Definition This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | wwd_FinancialInstrumentsAndFairValueMeasurementsAbstract
Namespace Prefix: | wwd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration