Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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Property, Plant, and Equipment (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Property, Plant and Equipment [Line Items]
Net (gain) loss on sales of assets	$ (2,545)	$ (680)	$ 11,012	$ (880)
Impairment of assets held for sale			37,902
Duarte Facility [Member]
Property, Plant and Equipment [Line Items]
Net (gain) loss on sales of assets			(13,522)
Disposal Groups [Member]
Property, Plant and Equipment [Line Items]
Impairment of assets held for sale			37,902
Disposal Groups [Member] \| Plant, Property and Equipment [Member]
Property, Plant and Equipment [Line Items]
Impairment of assets held for sale			13,421
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] \| Duarte Facility [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment remaining	$ 2,520		$ 2,520