Litigation, Commitments and Contingencies - Future Lease Cost (Details) $ in Thousands	Dec. 30, 2018 USD ($)
Contingencies
Gross Lease Costs, 2019	$ 40,834
Gross Lease Costs, 2020	36,631
Gross Lease Costs, 2021	31,159
Gross Lease Costs, 2022	25,188
Gross Lease Costs, 2023	18,694
Gross Lease Costs, Thereafter	57,304
Gross 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