Leases - Future Lease Cost (Details) $ in Thousands	Dec. 30, 2018 USD ($)
Contingencies
Operating Lease Costs, 2019	$ 40,834
Operating Lease Costs, 2020	36,631
Operating Lease Costs, 2021	31,159
Operating Lease Costs, 2022	25,188
Operating Lease Costs, 2023	18,694
Operating Lease Costs, Thereafter	57,304
Operating Lease Costs, Total	209,810
Future Expected Sublease Income, 2019	8,079
Future Expected Sublease Income, 2020	8,061
Future Expected Sublease Income, 2021	7,818
Future Expected Sublease Income, 2022	7,462
Future Expected Sublease Income, 2023	7,182
Future Expected Sublease Income, Thereafter	42,518
Future Expected Sublease Income, Total	$ 81,120