Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 28, 2019	Mar. 30, 2019	Sep. 29, 2018	Jun. 30, 2018	Sep. 28, 2019	Sep. 29, 2018
Income Taxes [Abstract]
Increase in liabilities for unrecognized tax benefits					$ 5,522
TCJA income tax expense [Abstract]
TCJA tax on unremitted foreign earnings			$ 13,496			$ 25,496
Income Tax Uncertainties [Abstract]
Additional expected repatriation	$ 100,000
Cash repatriated during the current period	115,152				188,742
Repatriation taxes paid	18,335				38,814
Future cash repatriation [Abstract]
Tax expense on tax-basis gain					7,554
Remeasurement of Repatriation Deferred Tax Liability [Member]
Effect on Income Tax Expense (Benefit) [Line Items]
Deferred other tax expense (benefit)	$ 2,604		$ 680		$ 1,971	$ (7,010)
Remeasurement of Deferred Tax Liability Debt Extinguishment [Member]
Effect on Income Tax Expense (Benefit) [Line Items]
Deferred other tax expense (benefit)		$ 1,312		$ 33,963