Goodwill, Other Intangible Assets and Other Assets Finite-lived intangible assets, schedule of future amortization (Details) $ in Thousands	Jun. 27, 2020 USD ($)
Finite-lived intangible assets, schedule of amortization expense [Line Items]
Remainder of 2020	$ 943
2021	1,686
2022	1,461
2023	786
2024	786
Thereafter	4,762
Total	10,424
Cost of revenue
Finite-lived intangible assets, schedule of amortization expense [Line Items]
Remainder of 2020	450
2021	900
2022	675
2023	0
2024	0
Thereafter	0
Total	2,025
Operating Expense [Member]
Finite-lived intangible assets, schedule of amortization expense [Line Items]
Remainder of 2020	493
2021	786
2022	786
2023	786
2024	786
Thereafter	4,762
Total	$ 8,399