Segment Reporting and Geographic Information - Schedule of Revenue from External Customers by Products and Services (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Dec. 26, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total revenue	$ 788,899	$ 556,496	$ 305,896
Sales [Member] | Product [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%
Systems and Software [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 669,114	$ 450,459	$ 255,723
Systems and Software [Member] | Sales [Member] | Product [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	85.00%	80.00%	84.00%
Parts Revenue [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 72,753	$ 65,444	$ 34,892
Parts Revenue [Member] | Sales [Member] | Product [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	9.00%	12.00%	11.00%
Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 47,032	$ 40,593	$ 15,281
Service Revenue [Member] | Sales [Member] | Product [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	6.00%	8.00%	5.00%