Accrued Liabilities (Changes in Restructuring Reserve Activity) (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 5,172
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, beginning of period	1,083	$ 5,008	$ 5,008
Restructuring Charges	5,172
Payments	(3,919)	(505)
Restructuring charges, end of period	2,336	4,503	1,083
Employee Severance [Member] | Aerospace [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, beginning of period	139
Payments	(139)
Restructuring charges, end of period			139
Employee Severance [Member] | Cost Reduction Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	5,172
Payments	(2,836)
Restructuring charges, end of period	2,336
Employee Severance [Member] | Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, beginning of period	944
Payments	$ (944)
Restructuring charges, end of period			944
Employee Severance [Member] | Hydraulics Systems Realignment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, beginning of period		3,758	3,758
Payments		(505)
Restructuring charges, end of period		3,253
Employee Severance [Member] | Engine Systems Realignment [member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, beginning of period		1,250	$ 1,250
Restructuring charges, end of period		$ 1,250