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Accounts Receivable, Net (Detail) - USD ($)
$ in Thousands
Sep. 29, 2023
Dec. 30, 2022
Accounts Notes And Loans Receivable [Line Items]    
Allowance for contract losses and doubtful accounts $ (6,400) $ (6,193)
Total accounts receivable, net 181,754 170,114
Billed accounts receivable    
Accounts Notes And Loans Receivable [Line Items]    
Accounts Receivable 135,076 120,212
Unbilled accounts receivable    
Accounts Notes And Loans Receivable [Line Items]    
Accounts Receivable $ 53,078 $ 56,095