Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Income Taxes [Abstract]
Increase in liabilities for unrecognized tax benefits	$ 1,446
Income Tax Uncertainties [Abstract]
Additional expected repatriation	300,000
Remeasurement of repatriation deferred tax liability [Member]
Effect on Income Tax Expense (Benefit) [Line Items]
Deferred Other Tax Expense (Benefit)	(585)	$ 1,316
Remeasurement of deferred tax liability debt extinguishment [Member]
Effect on Income Tax Expense (Benefit) [Line Items]
Deferred Other Tax Expense (Benefit)	$ (1,312)