REVENUE RECOGNITION - Allowance for Uncollectible Receivables (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Jul. 28, 2018
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of year	$ 20,725	$ 15,996
Additions charged to operating expenses	37,849	9,749	$ 12,006
Reductions of net sales	12,470	7,061	0
Deductions	(15,116)	(12,081)	(10,519)
Balance at end of year	$ 55,928	$ 20,725	$ 15,996