Revenue (Schedule of Revenue Recognition Time) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Net sales	$ 786,730	$ 618,619
Aerospace [Member]
Disaggregation Of Revenue [Line Items]
Net sales	460,756	395,685
Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	325,974	222,934
Point In Time [Member]
Disaggregation Of Revenue [Line Items]
Net sales	375,133	309,679
Point In Time [Member] | Aerospace [Member]
Disaggregation Of Revenue [Line Items]
Net sales	188,503	169,840
Point In Time [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	186,630	139,839
Over Time [Member]
Disaggregation Of Revenue [Line Items]
Net sales	411,597	308,940
Over Time [Member] | Aerospace [Member]
Disaggregation Of Revenue [Line Items]
Net sales	272,253	225,845
Over Time [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 139,344	$ 83,095