Concentration of Credit Risk (Tables)

12 Months Ended

Sep. 30, 2021

Risks and Uncertainties [Abstract]

Schedule of Revenue from External Customers by Geographic Areas

Information regarding revenue disaggregated by geographic area is as follows:

	Year Ended September 30,
	2021		2020		2019
United States	$	1,174,474	$	1,164,634	$	1,147,649
Europe	113,559		108,139		102,998
Asia	113,316		77,253		90,273
Canada	49,952		65,223		80,083
Australia	13,128		14,207		23,438
Total	$	1,464,429	$	1,429,456	$	1,444,441

The following tables set forth external net revenue, net of intercompany eliminations, and net asset information by region:

	Year Ended September 30,
	2021		2020		2019
Sales to external customers
United States	$	1,174,474	$	1,164,634	$	1,147,649
Rest of World	289,955		264,822		296,792
Total	$	1,464,429	$	1,429,456	$	1,444,441

Schedule of Long-lived Assets by Geographic Areas

	September 30, 2021		September 30, 2020
Net Assets
United States	$	462,883	$	408,330
Rest of World	119,336		73,733
	$	582,219	$	482,063
Long Lived Assets
United States	$	357,597	$	347,832
Rest of World	17,391		16,629
	$	374,988	$	364,461