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Balance Sheet Information - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020	Dec. 31, 2020
Debt Instrument [Line Items]
Depreciation expense	$ 6,400	$ 4,130	$ 12,447	$ 8,261
Key Employee
Debt Instrument [Line Items]
Loan agreement face amount					$ 222
Debt instrument, interest rate					6.00%
Customer list
Debt Instrument [Line Items]
Amortization of intangible assets	88	88	176	176
Software and licenses
Debt Instrument [Line Items]
Amortization of intangible assets	$ 366	$ 99	$ 713	$ 202