Revenue Changes in Contract Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Apr. 12, 2020	Apr. 14, 2019
Movement in Deferred Revenue [Roll Forward]
Deferred franchise fees at beginning of period	$ 46,272	$ 50,018
Revenue recognized	(3,061)	(2,745)
Additions	1,488	680
Deferred franchise fees at end of period	$ 44,699	$ 47,953