Revenue (Schedule of Revenue Recognition Time) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disaggregation Of Revenue [Line Items]
Net sales	$ 541,586	$ 537,619
Aerospace [Member]
Disaggregation Of Revenue [Line Items]
Net sales	336,435	321,667
Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	205,151	215,952
Point In Time [Member]
Disaggregation Of Revenue [Line Items]
Net sales	250,637	261,162
Point In Time [Member] | Aerospace [Member]
Disaggregation Of Revenue [Line Items]
Net sales	125,645	106,967
Point In Time [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	124,992	154,195
Over Time [Member]
Disaggregation Of Revenue [Line Items]
Net sales	290,949	276,457
Over Time [Member] | Aerospace [Member]
Disaggregation Of Revenue [Line Items]
Net sales	210,790	214,700
Over Time [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 80,159	$ 61,757