Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) $ in Thousands	9 Months Ended
	Sep. 26, 2020 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	$ 1,264,026
Balance	1,237,683
Accumulated Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	(564)
Net current period other comprehensive gain	2,067
Reclassifications	0
Balance	1,503
Accumulated Net Unrealized Gain (Loss) on Available-For-Sale Marketable Securities [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	(34)
Net current period other comprehensive gain	197
Reclassifications	0
Balance	163
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	(598)
Net current period other comprehensive gain	2,264
Reclassifications	0
Balance	$ 1,666