Summary of Significant Accounting Policies - Revenue by Vertical Market as Percentage of Total Revenue (Details) - Customer Concentration Risk [Member] - Sales Revenue, Services, Net [Member]	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Concentration Risk [Line Items]
Total revenue	100.00%	100.00%
Technology Service Providers [Member]
Concentration Risk [Line Items]
Total revenue	16.10%	23.80%
Manufacturing [Member]
Concentration Risk [Line Items]
Total revenue	16.40%	13.90%
Financial Services [Member]
Concentration Risk [Line Items]
Total revenue	17.40%	16.50%
Energy [Member]
Concentration Risk [Line Items]
Total revenue	6.30%	5.30%
General Markets [Member]
Concentration Risk [Line Items]
Total revenue	25.10%	23.10%
Healthcare [Member]
Concentration Risk [Line Items]
Total revenue	18.70%	17.40%