Investments - Additional Information (Detail) - USD ($)	9 Months Ended
	Sep. 28, 2024	Dec. 30, 2023
Debt Securities, Available-for-sale [Line Items]
Investments maximum maturity period	5 years
Unrealized gain (loss), net of unrealized gains/losses, on the investments in the bond portfolio	$ (2,531,000)	$ (6,382,000)