RETIREMENT PLANS (Details) (USD $)	12 Months Ended					12 Months Ended			19 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 31, 2010	Jul. 28, 2012 Deferred Compensation and Supplemental Retirement Plans	Jul. 30, 2011 Deferred Compensation and Supplemental Retirement Plans	Jul. 28, 2012 Deferred Stock Plan Minimum	Jul. 28, 2012 Deferred Stock Plan Maximum	Jul. 28, 2012 Deferred Compensation Plan	Jul. 31, 2010 Deferred Compensation Plan Y
Retirement Plans
Percentage of awards to be deferred by participants						0.00%	100.00%
Minimum amount of awards to be deferred by participants								$ 1,000
Maximum percentage of base salary to be deferred by participants								90.00%
Maximum percentage of director fees, employee bonuses and commissions to be deferred by participants								100.00%
Term of the Certificate Of Deposit (in years)									5
Percentage points added to certificate of deposit								3.00%
Discount rate for recording future obligations (as a percent)				5.70%
Cash surrender value of purchased whole-life insurance policies				10,100,000	9,500,000
Future obligations under deferred compensation arrangement
2013				1,149,000
2014				1,294,000
2015				1,285,000
2016				1,278,000
2017				1,166,000
2018 and thereafter				6,596,000
Total future obligations including interest, under deferred compensation arrangement				12,768,000
Entity's contribution to Retirement Plan	$ 4,400,000	$ 3,900,000	$ 3,200,000