Revenue Changes in Contract Liabilities (Details) - USD ($) $ in Thousands	4 Months Ended
	Jan. 23, 2022	Jan. 17, 2021
Movement in Deferred Revenue [Roll Forward]
Deferred franchise fees at beginning of period	$ 40,435	$ 43,541
Revenue recognized	(1,742)	(1,779)
Additions	680	428
Deferred franchise fees at end of period	$ 39,373	$ 42,190