Accrued Liabilities (Changes in Accrued Product Warranties and Related Liabilities) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Jun. 30, 2023		Jun. 30, 2022	Jun. 30, 2023		Jun. 30, 2022
Accrued Liabilities Current [Abstract]
Beginning of period	$ 46,492		$ 12,984	$ 40,042	[1]	$ 17,481
Additions, net of recoveries	2,424		3,021	22,847		3,243
Reductions for settlement	(9,433)		(1,239)	(23,636)		(5,908)
Foreign currency exchange rate changes	(59)		(121)	171		(171)
End of period	$ 39,424	[1]	$ 14,645	$ 39,424	[1]	$ 14,645

[1] Product warranties and related liabilities includes estimates related to product liabilities expected to be fully recoverable from insurance.