Retirement Benefits (Tables)

6 Months Ended

Mar. 31, 2022

Defined Benefit Plan Disclosure [Line Items]

Schedule of Amount of Expense Associated with Defined Contribution Plans

The amount of expense associated with defined contribution plans was as follows:

	Three-Months Ended March 31,				Six-Months Ended March 31,
	2022		2021		2022		2021
Company costs	$	9,499	$	8,497	$	20,450	$	16,533

Schedule of Estimated Remaining Cash Contributions

Woodward estimates its remaining cash contributions in fiscal year 2022 will be as follows:

Retirement pension benefits:
United States	$	—
United Kingdom		627
Japan		—
Germany		348
Other postretirement benefits		1,871

Defined Benefit Pension Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Periodic Benefit Costs

The components of the net periodic retirement pension costs recognized are as follows:

	Three-Months Ended March 31,
	United States						Other Countries						Total
	2022			2021			2022			2021			2022			2021
Service cost	$	388		$	432		$	609		$	736		$	997		$	1,168
Interest cost		1,321			1,239			422			343			1,743			1,582
Expected return on plan assets		(2,714	)		(3,536	)		(640	)		(625	)		(3,354	)		(4,161	)
Amortization of:
Net actuarial loss		64			135			146			234			210			369
Prior service cost		245			243			6			6			251			249
Net periodic retirement pension (benefit) cost	$	(696	)	$	(1,487	)	$	543		$	694		$	(153	)	$	(793	)
Contributions paid	$	—		$	—		$	811		$	675		$	811		$	675
	Six-Months Ended March 31,
	United States						Other Countries						Total
	2022			2021			2022			2021			2022			2021
Service cost	$	777		$	864		$	1,230		$	1,465		$	2,007		$	2,329
Interest cost		2,641			2,478			848			676			3,489			3,154
Expected return on plan assets		(5,427	)		(7,072	)		(1,285	)		(1,227	)		(6,712	)		(8,299	)
Amortization of:
Net actuarial loss		129			270			292			462			421			732
Prior service cost		490			485			12			12			502			497
Net periodic retirement pension (benefit) cost	$	(1,390	)	$	(2,975	)	$	1,097		$	1,388		$	(293	)	$	(1,587	)
Contributions paid	$	—		$	—		$	1,499		$	1,218		$	1,499		$	1,218

Other Postretirement Benefit Plans [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Periodic Benefit Costs

The components of the net periodic other postretirement benefit costs recognized are as follows:

	Three-Months Ended March 31,					Six-Months Ended March 31,
	2022			2021		2022			2021
Service cost	$	—		$	1	$	—		$	1
Interest cost		145			149		289			299
Amortization of:
Net actuarial (gain) loss		(23	)		8		(47	)		15
Prior service cost		—			1		—			1
Net periodic other postretirement cost	$	122		$	159	$	242		$	316
Contributions paid	$	457		$	940	$	928		$	978