Property, Plant, and Equipment (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Sep. 30, 2018
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] \| Drake Campus Fort Collins Colorado Member
Property, Plant and Equipment [Line Items]
Property, plant and equipment held for sale	$ 8,097	$ 8,306
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] \| Duarte Facility [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment remaining	11,980
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] \| Duarte Facility [Member] \| Employee Relocation [Member]
Property, Plant and Equipment [Line Items]
Assets planned to be disposed of as a result of relocation	325
Second Campus Rockford Illinois [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	30,585	32,248
Drake Campus Fort Collins Colorado Member
Property, Plant and Equipment [Line Items]
Construction in progress	7,555	3,967
Office furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Gross assets acquired on capital leases	1,650
Accumulated depreciation on capital lease assets	$ 1,261	$ 1,158

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.

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The carrying amount on the books of the entity of assets to be disposed of by a method other than sale as a result of Woodward's Duarte facility relocation.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services at the Woodward Duarte facility that are not classified as held for sale as of the balance sheet date.

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