Leases - Lessee Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2021	Sep. 27, 2020
Finance lease cost:
Amortization of ROU assets	$ 807	$ 767
Interest on lease liabilities	89	110
Operating lease cost	194,149	190,461
Short-term lease cost	427	175
Variable lease cost	43,498	40,798
Lease cost, total	238,970	232,311
Property taxes and common area maintenance costs	$ 38,000	$ 37,400
Weighted-average remaining lease term (in years):
Finance leases	2 years 4 months 24 days	3 years 3 months 18 days
Operating leases	9 years	8 years 3 months 18 days
Weighted-average discount rate:
Finance leases	3.60%	3.50%
Operating leases	4.10%	4.20%