Leases Maturity (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 31, 2019
Leases [Abstract]
Remaining three months of 2020	$ 5,383
2021	18,060
2022	14,213
2023	7,995
2024	4,581
Thereafter	5,955
Total lease payments	56,187
Less interest	3,057
Total	53,130	$ 39,865
Remaining three months of 2020	506
2021	2,357
2022	1,446
2023	1,246
2024	1,175
Thereafter	2,672
Total lease payments	9,402
Less interest	445
Total	$ 8,957	$ 3,143