EARNINGS PER SHARE (Details) - $ / shares shares in Thousands	3 Months Ended									12 Months Ended
	Aug. 01, 2020	[1]	May 02, 2020	Feb. 01, 2020	Nov. 02, 2019	Aug. 03, 2019	Apr. 27, 2019	Jan. 26, 2019	Oct. 27, 2018	Aug. 01, 2020		Aug. 03, 2019	Jul. 28, 2018
Earnings Per Share [Abstract]
Basic weighted average shares outstanding										53,778		51,245	50,530
Net effect of dilutive stock awards based upon the treasury stock method										0		0	307
Diluted weighted average shares outstanding										53,778		51,245	50,837
Basic (loss) earnings per share:
Continuing operations (in dollars per share)	$ 0.94		$ 1.72	$ (0.27)	$ (7.29)	$ 0.41	$ 1.11	$ (6.77)	$ (0.39)	$ (4.81)	[1]	$ (5.57)	$ 3.22
Discontinued operations (in dollars per share)										(0.28)		0.02	0
Basic (loss) earnings per share (in dollars per share)	0.96		1.64	(0.57)	(7.21)	0.36	1.12	(6.72)	(0.38)	(5.10)	[1]	(5.56)	3.22
Diluted (loss) earnings per share:
Continuing operations (in dollars per share)	0.88		1.67	(0.27)	(7.29)	0.41	1.11	(6.77)	(0.39)	(4.81)	[1]	(5.57)	3.20
Discontinued operations (in dollars per share)										(0.28)		0.02	0
Diluted (loss) earnings per share (in dollars per share)	$ 0.89		$ 1.60	$ (0.57)	$ (7.21)	$ 0.36	$ 1.12	$ (6.72)	$ (0.38)	$ (5.10)	[1]	$ (5.56)	$ 3.20
Antidilutive securities excluded from computation of earnings per share, amount (in shares)										3,649		3,434	93
Incremental common shares attributable to dilutive effect of share-based payment arrangements (in shares)										0		292

[1] Fiscal 2020 results reflect 52 weeks of operating results, as compared to fiscal 2019 53 weeks. The fourth quarter of fiscal 2020 includes 13 weeks and the fourth quarter of fiscal 2019 contains 14 weeks.