Accounts Receivable, Net (Detail) - USD ($) $ in Thousands	Apr. 01, 2022	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Allowance for contract losses and doubtful accounts	$ (4,899)	$ (4,423)
Total accounts receivable, net	147,508	139,861
Billed accounts receivable
Accounts Notes And Loans Receivable [Line Items]
Accounts Receivable	95,881	102,028
Unbilled accounts receivable
Accounts Notes And Loans Receivable [Line Items]
Accounts Receivable	$ 56,526	$ 42,256