Accrued Liabilities (Changes in Accrued Product Warranties and Related Liabilities) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Accrued Liabilities, Current [Abstract]
Beginning of period	$ 19,800	$ 46,492	$ 18,162	$ 40,042
Additions, net of recoveries	3,808	2,424	13,767	22,847
Reductions for settlement	(2,333)	(9,433)	(10,739)	(23,636)
Foreign currency exchange rate changes	(54)	(59)	31	171
End of period	$ 21,221	$ 39,424	$ 21,221	$ 39,424