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Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Income, Net of Tax (Details) $ in Thousands	6 Months Ended
	Jun. 26, 2021 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	$ 1,264,746
Balance	1,329,563
Accumulated Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	4,479
Net current period other comprehensive loss	(1,362)
Reclassifications	0
Balance	3,117
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	(698)
Reclassifications	0
Balance	(609)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	4,568
Net current period other comprehensive loss	(2,060)
Reclassifications	0
Balance	$ 2,508

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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