Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 30, 2015 Segment ProductLine	Jan. 31, 2014	Jan. 30, 2015	Jan. 31, 2014
Segment Information [Abstract]
Number of product lines	2
Number of reportable operating segments	1
Segment Reporting Information [Line Items]
Revenue	$ 755,966	$ 698,491	$ 1,439,394	$ 1,347,632
Restaurant [Member]
Segment Reporting Information [Line Items]
Revenue	577,558	528,391	1,124,265	1,050,338
Retail [Member]
Segment Reporting Information [Line Items]
Revenue	$ 178,408	$ 170,100	$ 315,129	$ 297,294