RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES - Closed Property Reserves (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 03, 2019	Jul. 28, 2018	Jul. 29, 2017
Restructuring Cost and Reserve [Line Items]
Acquired liabilities	$ 12,573
Payments	(75,130)	$ (5,433)
Facility Closing
Restructuring Cost and Reserve [Line Items]
Beginning balance	0	0	$ 443
Acquired liabilities	34,581	0	0
Additions, accretion and changes in estimates, net	16,529	1,400	258
Payments	(22,467)	(1,400)	(701)
Ending balance	$ 28,643	$ 0	$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3367-108585

Name:	us-gaap_PaymentsForRestructuring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration