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Derivative Financial Instruments (Schedule of Fair Values of the Company's Derivative Instruments and the Line Items on the Consolidated Balance Sheets) (Details) - USD ($)
$ in Thousands
Sep. 29, 2019
Dec. 31, 2018
Derivatives, Fair Value [Line Items]    
Gross Amounts of recognized assets $ 343 $ 322
Gross Amounts of recognized liabilities 56 71
Prepaid expenses and other current assets | Derivative assets not designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Gross Amounts of recognized assets 336 293
Prepaid expenses and other current assets | Derivative assets designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Gross Amounts of recognized assets 7 29
Other accrued liabilities | Derivative assets not designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Gross Amounts of recognized liabilities 46 46
Other accrued liabilities | Derivative assets designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Gross Amounts of recognized liabilities $ 10 $ 25