Accounts Receivable (Tables)

12 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Schedule of accounts receivable

Accounts receivable are summarized as follows:

	September 30, 2021		September 30, 2020
Accounts Receivable	$	282,819	$	264,536
Allowance for Credit Losses	(4,824)		(4,057)
Receivables, net	$	277,995	$	260,479

The movement in the allowance for credit losses was as follows:

	Year Ended September 30,
	2021		2020		2019
Balance at beginning of period	$	(4,057)	$	(4,906)	$	(4,199)
Charged to costs and expenses	(1,733)		(537)		(788)
Write-offs	780		1,277		39
Foreign currency and other	186		109		42
Balance at end of period	$	(4,824)	$	(4,057)	$	(4,906)