Revenue - Schedule of Disaggregation of Revenue by Timing of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 30, 2019	Jun. 27, 2020	Jun. 30, 2019
Disaggregation Of Revenue [Line Items]
Total revenue	$ 134,948	$ 61,511	$ 274,876	$ 122,403
Transferred at Point in Time [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	131,796	57,308	265,541	113,899
Transferred over Time [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 3,152	$ 4,203	$ 9,335	$ 8,504