Accounts Receivable (Tables)

9 Months Ended

Jun. 30, 2018

Receivables [Abstract]

Schedule of accounts receivable

Accounts receivable are summarized as follows:

	September 30, 2017			June 30, 2018
Accounts receivable	$	248,742		$	232,513
Allowance for doubtful accounts	(3,494		)	(4,183		)
Receivables, net	$	245,248		$	228,330