Accrued Liabilities (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5,172	$ 5,172
Hydraulics Systems and Engine Systems [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	5,172		$ 1,083
Paid for restructuring charges	$ 2,836