Accounts Receivable, Net - Reconciliation of Beginning and Ending Amount of Allowance for Contract Losses and Doubtful Accounts (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022
Receivables [Abstract]
Balance at December 30, 2022	$ 6,193
Provision for contract losses and doubtful accounts	1,911	$ 2,112
Write-offs	(1,704)
Balance at September 29, 2023	$ 6,400