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Credit Facilities and Short-term Borrowings (Short-term Borrowings and Availability Under Various Short-term Credit Facilities) (Details) $ in Thousands | Sep. 30, 2016 USD ($)
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Total availability | $ 1,052,568
Outstanding letters of credit and guarantees | (8,073)
Outstanding borrowings | (156,700)
Remaining availability | 887,795
Other Foreign Short-term Borrowings [Member] |
Outstanding borrowings | 0
Foreign Performance Guarantee Facilities [Member] |
Total availability | 8,567
Outstanding letters of credit and guarantees | (243)
Outstanding borrowings | 0
Remaining availability | 8,324
Foreign Lines of Credit And Overdraft Facilities [Member] |
Total availability | 44,001
Outstanding letters of credit and guarantees | 0
Outstanding borrowings | 0
Remaining availability | 44,001
Revolving Credit Facility [Member] |
Total availability | 1,000,000
Outstanding letters of credit and guarantees | (7,830)
Outstanding borrowings | (156,700)
Remaining availability | 835,470
Chinese Credit Facility [Member] |
Total availability | 22,700
Outstanding borrowings | $ 0

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- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13476-108611 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Balance Type: | credit
Period Type: | instant

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- Definition The total amount of the contingent obligation under letters of credit and guarantees outstanding as of the reporting date. + References No definition available. + Details
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Namespace Prefix: | wwd_
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Balance Type: | credit
Period Type: | instant

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- Details
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- Details
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- Details
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- Details
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- Details
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