Derivative Instruments and Hedging Activity (Details) - Euro Member Countries, Euro - Not Designated as Hedging Instrument [Member] - Foreign Currency Forward Contract - USD ($) $ in Thousands	Mar. 29, 2019	Dec. 31, 2018
Prepaid Expenses and Other Current Assets [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Asset, Notional Amount	$ 4,379	$ 8,767
Derivative Asset, Fair Value, Gross Asset	154	244
Other Current Liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liability, Notional Amount	3,514	8,771
Derivative Liability, Fair Value, Gross Liability	$ 133	$ 249