Leases Schedule of Lease Expense and Other Information (Details) $ in Thousands	12 Months Ended
	Oct. 03, 2020 USD ($)
Leases [Abstract]
Amortization of right-of-use assets	$ 4,380
Interest on lease liabilities	4,956
Operating lease expense	11,707
Other lease expense	3,401
Total lease expense	$ 24,444
Weighted average remaining lease term, Finance lease	12 years 9 months 18 days
Weighted average remaining lease term, Operating lease	18 years 6 months
Weighted average discount rate, Finance lease	17.70%
Weighted average discount rate, Operating lease	3.00%
Operating cash flows used in finance leases	$ 4,539
Operating cash flows used in operating leases	10,907
Finance cash flows used in finance leases	3,321
Right-of-Use Asset obtained in exchange for Operating Lease liability	7,692
Right-of-Use Asset obtained in exchange for Finance Lease liability	$ 2,835