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. 27, 2024	Sep. 29, 2023
Receivables [Abstract]
Balance at December 30, 2022	$ 5,281
Provision for contract losses and doubtful accounts	3,140	$ 1,911
Write-offs	(1,940)
Balance at September 29, 2023	$ 6,481