Revenue (Schedule of Revenue Recognition Time) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Disaggregation Of Revenue [Line Items]
Net sales	$ 586,839	$ 581,321	$ 1,128,425	$ 1,118,940
Aerospace [Member]
Disaggregation Of Revenue [Line Items]
Net sales	372,757	364,706	709,192	686,373
Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	214,082	216,615	419,233	432,567
Point In Time [Member]
Disaggregation Of Revenue [Line Items]
Net sales	270,463	245,805	521,100	506,967
Point In Time [Member] | Aerospace [Member]
Disaggregation Of Revenue [Line Items]
Net sales	148,244	114,563	273,889	221,530
Point In Time [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	122,219	131,242	247,211	285,437
Over Time [Member]
Disaggregation Of Revenue [Line Items]
Net sales	316,376	335,516	607,325	611,973
Over Time [Member] | Aerospace [Member]
Disaggregation Of Revenue [Line Items]
Net sales	224,513	250,143	435,303	464,843
Over Time [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 91,863	$ 85,373	$ 172,022	$ 147,130