XML 53 R111.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Retirement Benefits (Schedule of estimated remaining cash contributions) (Details) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2015 USD ($)
United States Pension Plans of US Entity, Defined Benefit [Member] |
Estimated future employer contributions in the next fiscal year | $ 24
United Kingdom Plan, Defined Benefit [Member] |
Estimated future employer contributions in the next fiscal year | 544
Japan Plan, Defined Benefit [Member] |
Estimated future employer contributions in the next fiscal year | 251
Other Postretirement Benefit Plans, Defined Benefit [Member] |
Estimated future employer contributions in the next fiscal year | $ 4,103

X
- Definition Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=wwd_ForeignPensionPlansDefinedBenefitUnitedKingdomMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=wwd_ForeignPensionPlansDefinedBenefitJapanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |