EARNINGS PER SHARE (Details) - shares	3 Months Ended		6 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 28, 2017	Jan. 30, 2016
Reconciliation of the basic and diluted number of shares used in computing earnings per share:
Basic weighted average shares outstanding	50,587,000	50,326,000	50,531,000	50,260,000
Net effect of dilutive stock awards based upon the treasury stock method	168,000	62,000	146,000	91,000
Diluted weighted average shares outstanding	50,755,000	50,388,000	50,677,000	50,351,000
Anti-dilutive share-based payment awards outstanding (in shares)	36,986	171,296	40,862	100,957