Components of and Changes in Accumulated Other Comprehensive Income, Net of Related Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 862,010
Other comprehensive (loss) income	(3,912)	$ (954)
Ending Balance	856,149
Unrealized Holding Gains (Losses) on Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	113
Other comprehensive (loss) income	(5,187)
Ending Balance	(5,074)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(5,516)
Other comprehensive (loss) income	1,275
Ending Balance	(4,241)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(5,403)
Other comprehensive (loss) income	(3,912)
Ending Balance	$ (9,315)