Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 29, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Tax impact	$ 518	$ 2,207
Effective tax rate	(14.20%)	14.70%
Profit (loss) before income tax	$ (3,655)	$ 15,050
Possible reduction in liabilities for uncertain tax positions	$ 600

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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