Segment Information (Details) $ in Thousands	3 Months Ended										12 Months Ended
	Jul. 27, 2018 USD ($)	[1]	Apr. 27, 2018 USD ($)	Jan. 26, 2018 USD ($)	Oct. 27, 2017 USD ($)	Jul. 28, 2017 USD ($)	[1]	Apr. 28, 2017 USD ($)	Jan. 27, 2017 USD ($)	Oct. 28, 2016 USD ($)	Aug. 03, 2018 USD ($) Segment Line	Jul. 28, 2017 USD ($)	Jul. 29, 2016 USD ($)
Segment Information [Abstract]
Number of product lines | Line											2
Number of reportable operating segments | Segment											1
Composition of Total Revenue [Abstract]
Revenue	$ 810,893		$ 721,413	$ 787,771	$ 710,368	$ 743,226		$ 700,410	$ 772,682	$ 709,971	$ 3,030,445	$ 2,926,289	$ 2,912,351
Restaurant [Member]
Composition of Total Revenue [Abstract]
Revenue											2,439,389	2,351,212	2,323,199
Retail [Member]
Composition of Total Revenue [Abstract]
Revenue											$ 591,056	$ 575,077	$ 589,152

[1] The Company's fourth quarter of fiscal 2018 consisted of 14 weeks.