Product Warranties (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Balance at beginning of the period	$ 8,138
Balance at beginning of the period	2,966
Balance at end of the period	7,893
Balance at end of the period	2,902
Other Current Liabilities
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Balance at beginning of the period	8,138	$ 6,115
Warranty provision for sales	1,188	371
Settlement of warranty claims	(1,262)	(978)
Foreign currency translation and other	(171)	69
Balance at end of the period	7,893	5,577
Other Noncurrent Liabilities
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Balance at beginning of the period	2,966	1,724
Warranty provision for sales	201	252
Settlement of warranty claims	(219)	(374)
Foreign currency translation and other	(46)	44
Balance at end of the period	$ 2,902	$ 1,646