Revenue Changes in Contract Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Apr. 11, 2021	Apr. 12, 2020
Movement in Deferred Revenue [Roll Forward]
Deferred franchise fees at beginning of period	$ 43,541	$ 46,272
Revenue recognized	(3,075)	(3,061)
Additions	1,118	1,488
Deferred franchise fees at end of period	$ 41,584	$ 44,699