Reportable Segments - Revenue From Contracts With Customers by Geographic Location (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	$ 190,154	$ 153,095
INF
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	99,963	87,533
BTS
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	60,454	38,605
GEO
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	29,737	26,957
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	182,095	149,205
United States | INF
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	99,963	87,533
United States | BTS
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	52,917	35,298
United States | GEO
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	29,215	26,374
Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	8,059	3,890
Foreign | INF
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	0	0
Foreign | BTS
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	7,537	3,307
Foreign | GEO
Revenues from External Customers and Long-Lived Assets [Line Items]
Gross revenues	$ 522	$ 583