Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Total	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest	Common Stock Common Stock	Class A Common Stock Common Stock	Class B Stock Common Stock
Beginning Balance (in shares) at Sep. 26, 2020							11,336,358	41,856,626	1,612,374
Balance, Beginning balance at Sep. 26, 2020	$ 1,077,674	$ 1,076,803	$ 566,883	$ 510,781	$ (1,409)	$ 871	$ 113	$ 419	$ 16
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Amortization of share-based awards	16,298	16,298	16,298
Restricted share activity (in shares)								579,237
Restricted share activity	(2,439)	(2,439)	(2,445)					$ 6
Issuance of common stock (in shares)								367,358
Issuance of common stock	1,102	1,102	1,099					$ 3
Distribution to noncontrolling interest	(606)					(606)
Repurchased of stock (in shares)							(700)	(520,299)
Repurchase of stock	(21,839)	(21,839)	(5,389)	(16,445)				$ (5)
Other comprehensive loss	578	578			578
Net income	152,773	151,746		151,746		1,027
Ending Balance (in shares) at Sep. 25, 2021							11,335,658	42,282,922	1,612,374
Balance, Ending balance at Sep. 25, 2021	1,223,541	1,222,249	576,446	646,082	(831)	1,292	$ 113	$ 423	$ 16
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Amortization of share-based awards	18,610	18,610	18,610
Restricted share activity (in shares)								170,659
Restricted share activity	(3,034)	(3,034)	(3,035)					$ 1
Issuance of common stock (in shares)								261,373
Issuance of common stock	4,838	4,838	4,835					$ 3
Distribution to noncontrolling interest	(806)					(806)
Repurchased of stock (in shares)							(39,307)	(1,378,731)
Repurchase of stock	(57,795)	(57,795)	(14,800)	(42,981)				$ (14)
Other comprehensive loss	(3,314)	(3,314)			(3,314)
Net income	152,672	152,152		152,152		520
Ending Balance (in shares) at Sep. 24, 2022							11,296,351	41,336,223	1,612,374
Balance, Ending balance at Sep. 24, 2022	1,334,712	1,333,706	582,056	755,253	(4,145)	1,006	$ 113	$ 413	$ 16
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Amortization of share-based awards	20,117	20,117	20,117
Restricted share activity (in shares)								60,377
Restricted share activity	(4,766)	(4,766)	(4,767)					$ 1
Issuance of common stock (in shares)								274,468
Issuance of common stock	6,213	6,213	6,211					$ 2
Repurchased of stock (in shares)							(228,739)	(628,743)
Repurchase of stock	(30,735)	(30,735)	(9,201)	(21,526)			$ (2)	$ (6)
Other comprehensive loss	1,175	1,175			1,175
Share conversion (in shares)							10,000		(10,000)
Share conversion	0
Net income	126,097	125,643		125,643		454
Ending Balance (in shares) at Sep. 30, 2023							11,077,612	41,042,325	1,602,374
Balance, Ending balance at Sep. 30, 2023	$ 1,452,813	$ 1,451,353	$ 594,416	$ 859,370	$ (2,970)	$ 1,460	$ 111	$ 410	$ 16