Accounts Receivable, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 30, 2022
Accounts Notes And Loans Receivable [Line Items]
Allowance for contract losses and doubtful accounts	$ (7,069)	$ (6,193)
Total accounts receivable, net	173,064	170,114
Billed accounts receivable
Accounts Notes And Loans Receivable [Line Items]
Accounts Receivable	119,949	120,212
Unbilled accounts receivable
Accounts Notes And Loans Receivable [Line Items]
Accounts Receivable	$ 60,184	$ 56,095