Retirement Benefits (Tables)

6 Months Ended

Mar. 31, 2025

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,
	2025		2024		2025		2024
Company costs	$	13,627	$	12,902	$	25,970	$	24,077

Schedule of Estimated Remaining Cash Contributions

Woodward estimates its remaining cash contributions in fiscal year 2025 will be as follows:

Retirement pension benefits:
United States	$	—
United Kingdom		145
Japan		—
Germany		583
Other postretirement benefits		1,725

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 were as follows:

	Three Months Ended March 31,
	United States						Other Countries						Total
	2025			2024			2025			2024			2025			2024
Service cost	$	230		$	194		$	343		$	312		$	573		$	506
Interest cost		1,718			1,900			717			803			2,435			2,703
Expected return on plan assets		(2,748	)		(2,271	)		(604	)		(602	)		(3,352	)		(2,873	)
Amortization of:
Net actuarial loss (gain)		42			56			(98	)		(171	)		(56	)		(115	)
Prior service cost		190			175			5			5			195			180
Net periodic retirement pension (benefit) cost	$	(568	)	$	54		$	363		$	347		$	(205	)	$	401
Contributions paid	$	—		$	—		$	490		$	746		$	490		$	746
	Six Months Ended March 31,
	United States						Other Countries						Total
	2025			2024			2025			2024			2025			2024
Service cost	$	459		$	388		$	691		$	621		$	1,150		$	1,009
Interest cost		3,437			3,799			1,445			1,596			4,882			5,395
Expected return on plan assets		(5,496	)		(4,542	)		(1,218	)		(1,194	)		(6,714	)		(5,736	)
Amortization of:
Net actuarial loss (gain)		85			113			(198	)		(339	)		(113	)		(226	)
Prior service cost		381			349			11			11			392			360
Net periodic retirement pension (benefit) cost	$	(1,134	)	$	107		$	731		$	695		$	(403	)	$	802
Contributions paid	$	—		$	—		$	874		$	1,339		$	874		$	1,339

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 were as follows:

	Three Months Ended March 31,						Six Months Ended March 31,
	2025			2024			2025			2024
Interest cost	$	180		$	225		$	359		$	451
Amortization of:
Net actuarial gain		(111	)		(139	)		(221	)		(278	)
Net periodic other postretirement cost	$	69		$	86		$	138		$	173
Contributions paid	$	408		$	413		$	794		$	825