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Retirement Benefits (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2016 | Mar. 31, 2017 | Mar. 31, 2016
Value of Company Stock Contributed to Defined Contribution Benefit Plans |  | $ 14,014 | $ 13,999
Treasury Stock Issued During Period, Shares, Employee Benefit Plans |  | 199 | 317
United States Pension Plans of US Entity, Defined Benefit [Member] |  |  |
Defined Benefit, Lump Sum Buyout Benefits Paid, Current Year | $ 670 |  |
Scenario, Forecast [Member] | United States Pension Plans of US Entity, Defined Benefit [Member] |  |  |
Defined Benefit, Lump Sum Buyout Benefits Paid, Expected |  | $ 0 |
Total stockholders equity |  |  |
Value of Company Stock Contributed to Defined Contribution Benefit Plans |  | 14,014 | $ 13,999
Treasury Stock at Cost [Member] |  |  |
Value of Company Stock Contributed to Defined Contribution Benefit Plans |  | $ 7,513 | $ 8,680
Treasury Stock Issued During Period, Shares, Employee Benefit Plans |  | 199 | 317

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- Definition Number of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan. + References No definition available. + Details
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- Definition During the third quarter of fiscal year 2016, Woodward opened a lump-sum buy-out window for certain former U.S. employees and/or their dependents eligible to receive postretirement defined benefit pension payments for past employment services to the Company. Eligible pension plan participants may elect to receive a one-time lump-sum payment or an immediate annuity in lieu of future pension benefit payments. Amount represents the pension benefit payments under the lump-sum buy-out options during the fourth quarter of fiscal year 2016. + References No definition available. + Details
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- Definition During the third quarter of fiscal year 2016, Woodward opened a lump-sum buy-out window for certain former U.S. employees and/or their dependents eligible to receive postretirement defined benefit pension payments for past employment services to the Company. Eligible pension plan participants may elect to receive a one-time lump-sum payment or an immediate annuity in lieu of future pension benefit payments. Amount represents the estimated pension benefit payments under the lump-sum buy-out options expected to be paid in 2017. + References No definition available. + Details
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