Revenue and Geographic Information - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2021	Jun. 26, 2020	Jun. 25, 2021	Jun. 26, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 253,305	$ 189,119	$ 473,773	$ 361,730
Products transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	245,776	183,714	460,181	350,722
Services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	7,529	5,405	13,592	11,008
United States
Disaggregation of Revenue [Line Items]
Net sales	223,820	169,343	417,898	323,811
International
Disaggregation of Revenue [Line Items]
Net sales	$ 29,485	$ 19,776	$ 55,875	$ 37,919