Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020
Income Tax Disclosure [Abstract]
Tax impact	$ 4,369	$ 3,247	$ 12,184	$ 3,765
Effective tax rate	19.70%	35.20%	23.00%	67.50%
Possible reduction in liabilities for uncertain tax positions	$ 500		$ 500