Goodwill (Schedule of Goodwill) (Details) $ in Thousands	6 Months Ended
	Mar. 31, 2025 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 806,643
Reduction from Divestiture	(5,772)
Effects of Foreign Currency Translation	(8,882)
Goodwill, Ending Balance	791,989
Aerospace [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	455,423
Reduction from Divestiture	0
Goodwill, Ending Balance	455,423
Industrial [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	351,220
Reduction from Divestiture	(5,772)
Effects of Foreign Currency Translation	(8,882)
Goodwill, Ending Balance	$ 336,566