Accumulated Other Comprehensive (Income) Loss - Components of Accumulated Other Comprehensive (Income) Loss, Net of Tax (Details) $ in Thousands	3 Months Ended
	Mar. 27, 2021 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	$ (1,264,746)
Balance	(1,292,312)
Accumulated Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	(4,479)
Net current period other comprehensive loss	1,899
Reclassifications	0
Balance	(2,580)
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	131
Reclassifications	0
Balance	42
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	(4,568)
Net current period other comprehensive loss	2,030
Reclassifications	0
Balance	$ (2,538)