Retirement Benefits (Tables)

6 Months Ended

Mar. 31, 2024

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,
	2024		2023		2024		2023
Company costs	$	12,902	$	11,838	$	24,077	$	21,940

Schedule of Estimated Remaining Cash Contributions

Woodward estimates its remaining cash contributions in fiscal year 2024 will be as follows:

Retirement pension benefits:
United States	$	—
United Kingdom		558
Japan		—
Germany		493
Other postretirement benefits		1,851

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
	2024			2023			2024			2023			2024			2023
Service cost	$	194		$	224		$	312		$	332		$	506		$	556
Interest cost		1,900			1,825			803			778			2,703			2,603
Expected return on plan assets		(2,271	)		(2,075	)		(602	)		(573	)		(2,873	)		(2,648	)
Amortization of:
Net actuarial loss (gain)		56			73			(171	)		(153	)		(115	)		(80	)
Prior service cost		175			175			5			6			180			181
Net periodic retirement pension cost	$	54		$	222		$	347		$	390		$	401		$	612
Contributions paid	$	—		$	—		$	746		$	736		$	746		$	736
	Six Months Ended March 31,
	United States						Other Countries						Total
	2024			2023			2024			2023			2024			2023
Service cost	$	388		$	447		$	621		$	652		$	1,009		$	1,099
Interest cost		3,799			3,649			1,596			1,528			5,395			5,177
Expected return on plan assets		(4,542	)		(4,149	)		(1,194	)		(1,124	)		(5,736	)		(5,273	)
Amortization of:
Net actuarial loss (gain)		113			146			(339	)		(301	)		(226	)		(155	)
Prior service cost		349			349			11			11			360			360
Net periodic retirement pension cost	$	107		$	442		$	695		$	766		$	802		$	1,208
Contributions paid	$	—		$	—		$	1,339		$	1,298		$	1,339		$	1,298

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,
	2024			2023			2024			2023
Interest cost	$	225		$	226		$	451		$	452
Amortization of:
Net actuarial gain		(139	)		(124	)		(278	)		(248	)
Net periodic other postretirement cost	$	86		$	102		$	173		$	204
Contributions paid	$	413		$	444		$	825		$	885