REVENUE RECOGNITION - Allowance for Uncollectible Receivables (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 03, 2019	Jul. 28, 2018	Jul. 29, 2017
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of year	$ 15,996	$ 14,509	$ 11,230
Additions charged to operating expenses	9,749	12,006	5,728
Reductions of net sales	7,061	0	0
Deductions	(12,081)	(10,519)	(2,449)
Balance at end of year	$ 20,725	$ 15,996	$ 14,509