Segment Information (Tables)

12 Months Ended

Sep. 30, 2022

Segment Reporting [Abstract]

Schedule of Revenues from External Customers by Region

Revenues by country represent sales to unaffiliated customers as determined by the ultimate destination of our products and services, summarized for the last three fiscal years by region in the table below (in thousands):

	Year Ended September 30,
	2022		2021		2020
United States	$	404,973	$	351,422	$	397,983
Canada	81,218		68,655		66,064
Middle East and Africa	20,712		26,615		18,162
Asia/Pacific	4,885		8,889		18,079
Europe	17,699		13,027		15,866
Mexico, Central and South America	3,095		1,951		2,345
Total revenues	$	532,582	$	470,559	$	518,499

Schedule of Long-Lived Assets by Region

Long-lived assets by country consist of property, plant and equipment, net of accumulated depreciation and are determined based on the location of the tangible assets, summarized for the last two fiscal years in the table below (in thousands):

	September 30,
	2022		2021
Long-lived assets:
United States	$	58,531	$	62,308
Canada	36,381		42,375
United Kingdom	3,716		4,774
Total	$	98,628	$	109,457