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Revenue (Narrative) (Details) - USD ($)
$ in Thousands

3 Months Ended

Dec. 31, 2018

Oct. 01, 2018

Sep. 30, 2018

Dec. 31, 2016

Revenue related to noncash consideration

$ 17,057

Increase in revenue related to changes in estimated total lifetime sales

620

Increase in cost of goods sold related to changes in estimated total lifetime sales

182

Capitalized costs to fulfill contracts

92,091

Amortized capitalized costs to fulfill contracts

0

Accounts receivable

489,529

$ 432,003

^[1]

Noncurrent unbilled receivables

444

0

Current contract liabilities

^[2]

28,190

9,659

Revenue from contract liabilities

9,760

Noncurrent contract liabilities

^[3]

319,230

$ 235,300

Remaining performance obligation amount

$ 1,630,741

Woodward and General Electric Joint Venture [Member]

Ownership interest, joint venture

50.00%

50.00%

Total consideration

$ 323,410

Material Rights [Member]

Remaining performance obligation amount

$ 410,355

ASC 606 [Member]

Cumulative effect from adoption

28,885

Capitalized costs to fulfill contracts

4,428

$ 57,529

Accounts receivable

^[1]

536,910

Contract liabilities

4,428

57,529

ASC 606 [Member] | Retained Earnings [Member]

Cumulative effect from adoption

28,927

Aerospace [Member]

Revenue related to noncash consideration

16,706

Industrial [Member]

Revenue related to noncash consideration

$ 351

Net Sales [Member] | Manufactured Products [Member]

Percentage of attributable to revenue

87.00%

Net Sales [Member] | MRO Products [Member]

Percentage of attributable to revenue

11.00%

Liability Related To Customer Supplied Inventory [Member]

Current contract liabilities

$ 17,283

Liability Related To Customer Supplied Inventory [Member] | ASC 606 [Member]

Current contract liabilities

13,141

Deferred Revenue From Material Rights Related To Engineering And Development Funding [Member]

Current contract liabilities

1,053

Noncurrent contract liabilities

86,333

Deferred Revenue From Material Rights Related To Engineering And Development Funding [Member] | ASC 606 [Member]

Current contract liabilities

664

Noncurrent contract liabilities

79,347

Effect Of [Member] | ASC 606 [Member]

Accounts receivable

$ 115,036

$ 104,907

^[1]

[1]	The adoption of ASC 606 changed the revenue recognition practices for a number of revenue generating activities across Woodward's businesses, although the most significant impacts are concentrated in product being produced for customers that have no alternative use to Woodward and Woodward has an enforceable right to payment with a profit, and MRO. The revenue related to these activities, which previously was accounted for on a point in time basis, is now required to use an over time model because the associated contracts meet one or more of the mandatory criteria established in ASC 606, as described above, and are included as current unbilled receivables in "Accounts receivable" and noncurrent unbilled receivables in "Other assets." The change in the timing of revenue recognized in connection with over time contracts similarly changed the timing of manufacturing cost recognition and certain engineering and development costs, which are reflected as a reduction to inventory.
[2]	See Note 3, Revenue for more information on net current contract liabilities.
[3]	See Note 3, Revenue, for more information on net noncurrent contract liabilities.

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