Derivative Financial Instruments (Schedule of Fair Values of the Company's Derivative Instruments and the Line Items on the Unaudited Condensed Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Jun. 28, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized assets	$ 273	$ 152
Gross Amounts of recognized liabilities	1,336	525
Prepaid expenses and other current assets | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized assets	261	109
Prepaid expenses and other current assets | Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized assets	12	43
Other accrued liabilities | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized liabilities	$ 1,336	493
Other accrued liabilities | Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Gross Amounts of recognized liabilities		$ 32