Accounts Receivable, Net (Tables)

12 Months Ended

Jul. 31, 2020

Accounts Receivable, after Allowance for Credit Loss [Abstract]

Schedule of accounts receivable

Accounts receivable, net consisted of:

	July 31,
(In thousands)	2020		2019
Advance charges receivable	$	260,196	$	280,835
Trade accounts receivable	94,281		89,274
Other receivables	2,120		2,098
	356,597		372,207
Less: Allowance for doubtful accounts	(6,390)		(4,942)
Accounts receivable, net	$	350,207	$	367,265

Schedule of movements in the allowance for doubtful accounts

The movements in the allowance for doubtful accounts were as follows:

	July 31,
(In thousands)	2020		2019		2018
Balance at beginning of year	$	4,942	$	5,444	$	4,311
Charged to costs and expenses	5,591		2,409		4,255
Write-offs to bad debt	(4,143)		(2,911)		(3,122)
Balance at end of year	$	6,390	$	4,942	$	5,444