Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Income, Net of Tax (Details) $ in Thousands	9 Months Ended
	Sep. 25, 2021 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	$ 1,264,746
Balance	1,373,550
Accumulated Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	4,479
Net current period other comprehensive loss	(1,307)
Reclassifications	0
Balance	3,172
Accumulated Net Unrealized Gains (Losses) on Available-for-sale Marketable Securities [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	89
Net current period other comprehensive loss	(237)
Reclassifications	0
Balance	(148)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	4,568
Net current period other comprehensive loss	(1,544)
Reclassifications	0
Balance	$ 3,024