CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME PARENTHETICAL (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 31, 2010
Tax associated with recognition of pension actuarial loss	$ 519	$ 660	$ 496
Tax associated with increase in pension liability	$ 3,429	$ 1,140	$ 420