Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 27, 2012	Jan. 28, 2011	Jan. 27, 2012	Jan. 28, 2011
Segment Reporting Information [Line Items]
Revenue	$ 673,234	$ 640,277	$ 1,271,671	$ 1,238,968
Number of product lines	2		2
Restaurant [Member]
Segment Reporting Information [Line Items]
Revenue	503,531	478,614	985,040	960,429
Retail [Member]
Segment Reporting Information [Line Items]
Revenue	$ 169,703	$ 161,663	$ 286,631	$ 278,539