Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 4,083	$ 15,194	$ 29,653	$ 44,239
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	19,000		19,000
Share-based Payment Arrangement, Expense, Tax Benefit	$ 19,300		$ 49,000