Segment Information (Details) $ in Thousands	3 Months Ended									12 Months Ended
	Aug. 02, 2019 USD ($)	May 03, 2019 USD ($)	Feb. 01, 2019 USD ($)	Nov. 02, 2018 USD ($)	Aug. 03, 2018 USD ($)	[1]	Apr. 27, 2018 USD ($)	Jan. 26, 2018 USD ($)	Oct. 27, 2017 USD ($)	Aug. 02, 2019 USD ($) Segment Line	Aug. 03, 2018 USD ($)	Jul. 28, 2017 USD ($)
Segment Information [Abstract]
Number of product lines | Line										2
Number of reportable operating segments | Segment										1
Disaggregation of Revenue [Abstract]
Revenue	$ 787,098	$ 739,603	$ 811,707	$ 733,543	$ 810,893		$ 721,413	$ 787,771	$ 710,368	$ 3,071,951	$ 3,030,445	$ 2,926,289
Restaurant [Member]
Disaggregation of Revenue [Abstract]
Revenue										2,482,377	2,439,389	2,351,212
Retail [Member]
Disaggregation of Revenue [Abstract]
Revenue										$ 589,574	$ 591,056	$ 575,077

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