Defined Pension Plans - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Jun. 30, 2022
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)	$ 135	$ 618	$ (2,564)
Contributions	0
Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)	$ 118	$ 107	$ 426