Leases - Narrative (Details) - USD ($) $ in Thousands	Jun. 26, 2020	Sep. 28, 2019
Lessee, Lease, Description [Line Items]
ROU assets	$ 718,161	$ 767,000
Reclassifications of previously recorded lease incentives and deferred rent		82,300
Restructured lease cease-use liability		141,400
Current lease liabilities	152,438	180,700
Noncurrent lease liabilities	$ 769,374	$ 810,100
Minimum
Lessee, Lease, Description [Line Items]
Lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease term	13 years