Summary of Significant Accounting Policies - Accounts Receivable Factoring (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Accounts Notes And Loans Receivable [Line Items]
Cost of services	$ 63,009	$ 71,785	$ 131,831	$ 148,147
Trade Accounts Receivable [Member]
Accounts Notes And Loans Receivable [Line Items]
Cost of services	0
Trade Accounts Receivable [Member] | Maximum [Member]
Accounts Notes And Loans Receivable [Line Items]
Cost of services		100	100	100
Trade Accounts Receivable [Member] | Factoring Agreement [Member]
Accounts Notes And Loans Receivable [Line Items]
Accounts Receivable, Sold	$ 0	$ 10,100	$ 4,500	$ 25,600