Maple Street Biscuit Company (Details) $ in Thousands		3 Months Ended		6 Months Ended
	Oct. 10, 2019 USD ($)	Oct. 30, 2020 USD ($)	Nov. 01, 2019 USD ($)	Jan. 29, 2021 USD ($) State Location	Jul. 31, 2020 USD ($)	[1]
Acquisition [Abstract]
Goodwill				$ 4,690	$ 4,690
Maple Street Biscuit Company [Member]
Acquisition [Abstract]
Ownership interest acquired	100.00%
Purchase price	$ 36,000
Cash paid to sellers	32,000	$ 1,500
Cash held for satisfaction of indemnification obligations	4,000
Period of remaining installment payment held as security				2 years
Number of states in which the entity operates | State				8
Goodwill expected to be deductible for income tax purposes				$ 0
Goodwill	$ 4,690
Acquisition-related costs			$ 1,269
Maple Street Biscuit Company [Member] | Company-Owned Fast Food Casual Locations [Member]
Acquisition [Abstract]
Number of locations opened | Location				36
Maple Street Biscuit Company [Member] | Franchised Fast Food Casual Locations [Member]
Acquisition [Abstract]
Number of locations opened | Location				7

[1] This Condensed Consolidated Balance Sheet has been derived from the audited Consolidated Balance Sheet as of July 31, 2020, as filed with the Securities and Exchange Commission in the Company’s Annual Report on Form 10-K for the fiscal year ended July 31, 2020.