Revenue Revenue, Remaining Performance Obligation (Details) $ in Thousands	Sep. 27, 2020 USD ($)
Revenue, Remaining Performance Obligation, Amount	$ 98,045
2020
Revenue, Remaining Performance Obligation, Amount	4,563
2021
Revenue, Remaining Performance Obligation, Amount	6,231
2022
Revenue, Remaining Performance Obligation, Amount	6,041
2023
Revenue, Remaining Performance Obligation, Amount	5,871
2024
Revenue, Remaining Performance Obligation, Amount	5,672
Thereafter
Revenue, Remaining Performance Obligation, Amount	$ 69,667