Goodwill (Schedule of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 805,333	$ 808,252
Additions	8,526
Effects of Foreign Currency Translation	(41,300)	(2,919)
Goodwill, Ending Balance	772,559	805,333
Aerospace [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	455,423	455,423
Goodwill, Ending Balance	455,423	455,423
Industrial [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	349,910	352,829
Additions	8,526
Effects of Foreign Currency Translation	(41,300)	(2,919)
Goodwill, Ending Balance	$ 317,136	$ 349,910