Basis of Presentation - Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 05, 2020	Jul. 07, 2019	Jul. 05, 2020	Jul. 07, 2019	Sep. 27, 2020	Sep. 30, 2019	Sep. 29, 2019
Lessee, Lease, Description [Line Items]
Operating lease liabilities	$ 947,230		$ 947,230
Right-of-use assets	902,858		902,858			$ 880,564	$ 0
Revenues	242,275	$ 222,359	766,105	$ 728,872
Expenses	180,485	$ 174,098	601,523	$ 575,164
Assets
Intangible assets, net	283		283			39	425
Deferred tax assets	66,132		66,132			86,570	85,564
Liabilities and Stockholders’ Deficit
Current operating lease liabilities	169,347		169,347			159,821
Accrued liabilities	143,344		143,344			115,381	120,083
Long-term operating lease liabilities, net of current portion	777,883		777,883			770,818
Other long-term liabilities	216,752		216,752			221,887	263,770
Retained earnings	$ 1,607,485		$ 1,607,485			1,574,164	$ 1,577,034
Accounting Standards Update 2016-02
Lessee, Lease, Description [Line Items]
Operating lease liabilities						931,000
Right-of-use assets						880,564
Assets
Intangible assets, net						(386)
Deferred tax assets						1,006
Liabilities and Stockholders’ Deficit
Current operating lease liabilities						159,821
Accrued liabilities						(4,702)
Long-term operating lease liabilities, net of current portion						770,818
Other long-term liabilities						(41,883)
Retained earnings						$ (2,870)
Accounting Standards Update 2016-02 | Forecast
Lessee, Lease, Description [Line Items]
Revenues					$ 37,700
Expenses					$ 37,700