Product Warranties (Tables)

6 Months Ended

Mar. 31, 2022

Guarantees and Product Warranties [Abstract]

Schedule of product warranty liability

A reconciliation of the activity related to the accrued warranty, including both the current and long‑term portions, is as follows:

	Current Product Warranties				Non-Current Product Warranties
	Six Months Ended March 31,				Six Months Ended March 31,
	2022		2021		2022		2021
Balance at beginning of the period	$	8,138	$	6,115	$	2,966	$	1,724
Warranty provision for sales	2,797		2,188		609		714
Settlement of warranty claims	(3,345)		(1,699)		(338)		(471)
Foreign currency translation and other	(92)		110		(46)		22
Balance at end of the period	$	7,498	$	6,714	$	3,191	$	1,989