Leases - Weighted Average Lease Terms and Discount Rates (Details)	Oct. 02, 2021	Sep. 26, 2020
Leases [Abstract]
Weighted-average remaining lease term - Operating leases	11 years 4 months 20 days	6 years 3 months 3 days
Weighted-average lease term - Finance leases	8 years 9 months 10 days	9 years 2 months 12 days
Weighted-average discount rate - Operating lease (percent)	2.60%	3.64%
Weighted-average discount rate - Finance lease (percent)	2.64%	3.20%