Leases - Maturities of Lease Liabilities Per Topic 840 (Details) $ in Thousands	Dec. 26, 2018 USD ($)
Commitments, Operating
2019	$ 23,504
2020	20,161
2021	17,316
2022	14,646
2023	11,881
Thereafter	49,004
Total	136,512
Commitments, Capital
2019	9,271
2020	8,664
2021	8,010
2022	7,320
2023	6,451
Thereafter	33,670
Total	73,386
Less imputed interest	42,795
Present value of capital lease obligations	30,591
Lease Receipts, Operating
2019	21,001
2020	18,493
2021	16,573
2022	14,887
2023	12,932
Thereafter	65,273
Total	$ 149,159