EMPLOYEE STOCK OWNERSHIP PLAN (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Aug. 01, 2015	Aug. 01, 2015	Aug. 02, 2014	Aug. 03, 2013	Aug. 01, 2015	Aug. 02, 2014	Nov. 01, 1988
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Percentage of outstanding common stock allocated to ESOP							40.00%
Outstanding common stock allocated to ESOP							$ 4.1
Interest rate on notes (as a percent)					1.33%	1.33%
Shares repurchased to fund ESOP	9,393
Contribution to the trust related to ESOP		$ 0.1	$ 0.2	$ 0.2
Interest component of contribution made to trust related to ESOP		$ 0.1	$ 0.1	$ 0.1
Changes in ESOP shares
Total ESOP shares—beginning of year		1,595,000	1,833,000
Shares distributed to employees		(538,000)	(238,000)
Total ESOP shares—end of year	1,057,000	1,057,000	1,595,000	1,833,000
ESOP shares
Allocated shares					1,057,000	1,580,000
Unreleased shares					0	15,000
Total ESOP shares	1,057,000	1,595,000	1,833,000	1,833,000	1,057,000	1,595,000
Number of shares released for allocation under ESOP		24,512	41,089
Fair value of unreleased shares						$ 0.9