Assumptions Used to Value Option Grants (Detail) - Employee Stock Option	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)	5 years 9 months 18 days	5 years 7 months 6 days	5 years 8 months 12 days
Risk-free interest rate	3.99%	1.90%	0.64%
Volatility	29.00%	28.00%	28.00%
Dividend yield	0.00%	0.00%	0.00%