Detail of Selected Balance Sheet Accounts (Tables)

9 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Components of Inventories

The components of inventories are summarized below (in thousands):

	June 30, 2023		September 30, 2022
Raw materials, parts and sub-assemblies, net	$	64,960	$	49,213
Work-in-progress	1,149		1,202
Total inventories	$	66,109	$	50,415

Activity in Product Warranty Accrual

Activity in our product warranty accrual consisted of the following (in thousands):

	Three months ended June 30,				Nine months ended June 30,
	2023		2022		2023		2022
Balance at beginning of period	$	2,711	$	2,347	$	2,345	$	2,531
Increase to warranty expense	1,241		462		2,931		1,077
Deduction for warranty charges	(760)		(499)		(2,095)		(1,303)
Change due to foreign currency translation	10		(22)		21		(17)
Balance at end of period	$	3,202	$	2,288	$	3,202	$	2,288