Restructuring and Related Charges (Tables)

12 Months Ended

Sep. 30, 2021

Restructuring and Related Activities [Abstract]

Schedule of restructuring components

The table below sets forth the amounts accrued for the restructuring components and related activity:

	Year Ended September 30,
	2021		2020		2019
Balance at beginning of the period	$	970	$	655	$	710
Restructuring charges following the sale of the Memcor product line	5,588		8,274		—
Restructuring charges related to two-segment realignment	1,060		2,092		11,090
Restructuring charges related to other initiatives	2,830		1,867		2,444
Release of prior reserves	(329)		(98)		(541)
Write-off charges	(1,340)		(2,461)		—
Cash payments	(8,484)		(9,367)		(12,966)
Other adjustments	9		8		(82)
Balance at end of the period	$	304	$	970	$	655

The table below sets forth the location of amounts recorded above on the Consolidated Statements of Operations:

	Year Ended September 30,
	2021		2020		2019
Cost of product sales and services	$	4,554	$	8,305	$	6,257
General and administrative expense	3,199		3,053		5,531
Sales and marketing expense	348		305		1,082
Research and development expense	(16)		23		123
Other operating expense, net	1,064		449		—
	$	9,149	$	12,135	$	12,993