Detail of Selected Balance Sheet Accounts (Tables)

3 Months Ended

Dec. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Components of Inventories

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

	December 31, 2023		September 30, 2023
Raw materials, parts and sub-assemblies	$	74,181	$	68,631
Work-in-progress	2,056		1,379
Provision for excess and obsolete inventories	(6,555)		(6,145)
Total inventories	$	69,682	$	63,865

Property, Plant and Equipment

Property, plant and equipment are summarized below (in thousands):

	December 31, 2023		September 30, 2023
Land	$	21,729	$	21,526
Buildings and improvements	122,706		121,454
Machinery and equipment	93,636		92,477
Furniture and fixtures	3,792		3,726
Construction in process	4,434		4,129
	$	246,297	$	243,312
Less: Accumulated depreciation	(147,979)		(145,687)
Total property, plant and equipment, net	$	98,318	$	97,625

Activity in Product Warranty Accrual

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

	Three months ended December 31,
	2023		2022
Balance at beginning of period	$	3,305	$	2,345
Increase to warranty expense	1,127		479
Deduction for warranty charges	(774)		(454)
Change due to foreign currency translation	22		10
Balance at end of period	$	3,680	$	2,380