Acquisition of Business (Details) $ in Thousands			12 Months Ended
		Oct. 10, 2019 USD ($) Installment	Jul. 31, 2020 USD ($) Location State	Aug. 02, 2019 USD ($)
Recognized amounts of identifiable assets acquired and liabilities assumed [Abstract]
Goodwill			$ 4,690	$ 0
Maple Street Biscuit Company [Member]
Acquisition [Abstract]
Ownership interest acquired		100.00%
Cash paid to sellers		$ 32,000
Cash held for satisfaction of indemnification obligations		$ 4,000
Number of installments for unused portion held as security | Installment		2
Amount of first installment payment of unused portion held as security due to principal seller		$ 1,500
Period of first installment payment for unused portion held as security			1 year
Period of remaining installment payment for unused portion held as security			2 years
Number of business locations converted | Location			6
Number of states in which the entity operates | State			7
Goodwill expected to be deductible for income tax purposes			$ 0
Acquisition-related costs			$ 1,269
Fair value of total consideration transferred		36,000
Recognized amounts of identifiable assets acquired and liabilities assumed [Abstract]
Financial assets		96
Property and equipment		13,580
Operating lease right-of-use assets, net		14,454
Indefinite-lived intangible asset	[1]	20,960
Other current and noncurrent assets		394
Financial liabilities		(1,876)
Operating lease liabilities		(15,973)
Other noncurrent liabilities		(325)
Total identifiable net assets		31,310
Goodwill		$ 4,690
Maple Street Biscuit Company [Member] | Company-Owned Fast Food Casual Locations [Member]
Acquisition [Abstract]
Number of locations opened | Location			35
Maple Street Biscuit Company [Member] | Franchised Fast Food Casual Locations [Member]
Acquisition [Abstract]
Number of locations opened | Location			6

[1] Consists entirely of MSBC’s Tradename