Leases - Additional Lease Information (Details)	3 Months Ended
	Dec. 28, 2019 USD ($)
Non-cash impact of re-measuring right of use assets and operating lease liabilities	$ 2,400,000
Operating lease cost	7,000.0
Finance lease cost - amortization of right-of-use assets	300
Finance lease cost - interest cost	300
Operating cash flows from finance leases	300
Operating cash flows from operating leases	5,900
Financing cash flows from finance leases	400
Total cash paid for amounts included in the measurement of lease liabilities	6,600
ROU assets arising from entering into new operating lease obligations	$ 1,400
Maximum
Lessee, Operating And Finance Lease, Remaining Lease Term	15 years