Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Tax impact	$ 3,247	$ 756	$ 3,765	$ 2,963
Effective tax rate	35.20%	47.40%	67.50%	17.80%
Possible reduction in liabilities for uncertain tax positions	$ 600		$ 600