Goodwill (Schedule of Goodwill) (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2024 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 791,468
Effects of Foreign Currency Translation	3,329
Goodwill, Ending Balance	794,797
Aerospace [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	455,423
Goodwill, Ending Balance	455,423
Industrial [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	336,045
Effects of Foreign Currency Translation	3,329
Goodwill, Ending Balance	$ 339,374