Consolidated Statements of Stockholders' Deficit - USD ($) $ in Thousands	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance (in shares) at Sep. 27, 2020		82,369,714
Beginning balance at Sep. 27, 2020	$ (793,361)	$ 824	$ 489,515	$ 1,636,211	$ (110,605)	$ (2,809,306)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under stock plans, including tax benefit (in shares)		166,345
Shares issued under stock plans, including tax benefit	6,647	$ 1	6,646
Share-based compensation	4,048		4,048
Dividends declared	(37,322)		232	(37,554)
Purchases of treasury stock	(200,000)					(200,000)
Net earnings	165,755			165,755
Other comprehensive income	36,351				36,351
Ending balance (in shares) at Oct. 03, 2021		82,536,059
Ending balance at Oct. 03, 2021	(817,882)	$ 825	500,441	1,764,412	(74,254)	(3,009,306)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under stock plans, including tax benefit (in shares)		44,540
Shares issued under stock plans, including tax benefit	51	$ 1	50
Share-based compensation	7,122		7,122
Dividends declared	(36,985)		261	(37,246)
Purchases of treasury stock	(25,000)					(25,000)
Net earnings	115,781			115,781
Other comprehensive income	20,272				20,272
Ending balance (in shares) at Oct. 02, 2022		82,580,599
Ending balance at Oct. 02, 2022	(736,192)	$ 826	508,323	1,842,947	(53,982)	(3,034,306)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under stock plans, including tax benefit (in shares)		65,215
Shares issued under stock plans, including tax benefit	263	$ 0	263
Share-based compensation	11,205		11,205
Dividends declared	(35,890)		285	(36,175)
Purchases of treasury stock	(90,731)					(90,731)
Fair value of assumed Del Taco RSAs attributable to pre-combination service	449		449
Net earnings	130,826			130,826
Other comprehensive income	2,192				2,192
Ending balance (in shares) at Oct. 01, 2023		82,645,814
Ending balance at Oct. 01, 2023	$ (718,327)	$ 826	$ 520,076	$ 1,937,598	$ (51,790)	$ (3,125,037)