EARNINGS PER SHARE (Details) - shares	3 Months Ended		9 Months Ended
	Apr. 29, 2017	Apr. 30, 2016	Apr. 29, 2017	Apr. 30, 2016
Reconciliation of the basic and diluted number of shares used in computing earnings per share:
Basic weighted average shares outstanding	50,601,000	50,350,000	50,554,000	50,290,000
Net effect of dilutive stock awards based upon the treasury stock method	200,000	29,000	164,000	70,000
Diluted weighted average shares outstanding	50,801,000	50,379,000	50,718,000	50,360,000
Anti-dilutive share-based payment awards outstanding (in shares)	40,023	146,844	38,762	100,048