Other Comprehensive Income Components of and Changes in Accumulated Other Comprehensive Income, Net of Related Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 887,221
Other comprehensive income (loss)	8,159	$ (9,621)	$ (3,404)
Ending Balance	983,923	887,221
Unrealized Holding (Losses) Gains on Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(8,449)	113	2,808
Other comprehensive income (loss)	3,439	(8,562)	(2,695)
Ending Balance	(5,010)	(8,449)	113
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(6,575)	(5,516)	(4,807)
Other comprehensive income (loss)	4,720	(1,059)	(709)
Ending Balance	(1,855)	(6,575)	(5,516)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(15,024)	(5,403)	(1,999)
Other comprehensive income (loss)	8,159	(9,621)	(3,404)
Ending Balance	$ (6,865)	$ (15,024)	$ (5,403)