GOODWILL AND INTANGIBLE ASSETS - Goodwill and Intangible Assets Changes (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 27, 2018	Aug. 03, 2019	Jul. 28, 2018	Jul. 29, 2017
Goodwill [Line Items]
Beginning balance		$ 362,495	$ 371,259
Impairment charge	$ (7,900)	(292,757)	(7,872)
Goodwill adjustment from business combinations		374,757	220
Other adjustments		(1,951)
Change in foreign exchange rates		(288)	(1,112)
Ending balance		442,256	362,495
Operating Segments | Wholesale
Goodwill [Line Items]
Beginning balance		352,342	353,234
Impairment charge		(292,757)	0
Goodwill adjustment from business combinations		374,757	220
Other adjustments		(1,951)
Change in foreign exchange rates		(288)	(1,112)
Ending balance		432,103	352,342
Accumulated goodwill impairment charges		292,800	0	$ 0
Operating Segments | Other
Goodwill [Line Items]
Beginning balance		10,153	18,025
Impairment charge		0	(7,872)
Goodwill adjustment from business combinations		0	0
Other adjustments		0
Change in foreign exchange rates		0	0
Ending balance		10,153	10,153
Accumulated goodwill impairment charges		$ 9,300	$ 9,300	$ 1,400