Leases - Position (Details) - USD ($) $ in Thousands	Sep. 29, 2019	Dec. 30, 2018
Leases [Abstract]
Operating leases	$ 787,410	$ 0
Finance leases	2,407
Total leased assets	789,817
Current, Operating leases	40,210	0
Less: current portion	2,026
Operating lease liabilities	779,456	$ 0
Long-term, Finance leases	1,060
Total lease liabilities	$ 822,752
Weighted Average Remaining Lease Term, Operating Lease	14 years 3 months 59 days
Weighted Average Remaining Lease Term, Finance Lease	2 years 1 month 12 days
Weighted Average Discount Rate, Operating Leases	7.00%
Weighted Average Discount Rate, Finance Leases	7.80%