Financial Instruments - Offsetting of Foreign Currency Derivative Contracts (Details) - Foreign currency exchange contract [Member] - USD ($) $ in Thousands	Jul. 01, 2017	Dec. 31, 2016
Offsetting Liabilities [Line Items]
Gross Assets Recognized	$ 13,869	$ 3,780
Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Net Amounts Presented in Condensed Consolidated Balance Sheets	13,869	3,780
Gross Amounts Not Offset in Condensed Consolidated Balance Sheets, Financial Instruments	361	3,780
Gross Amounts Not Offset in Condensed Consolidated Balance Sheets, Cash Collateral Pledged	0	0
Net Amount	13,508	0
Offsetting Assets [Line Items]
Gross Amounts of Recognized Assets	361	10,625
Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Net Amounts Presented in Condensed Consolidated Balance Sheets	361	10,625
Gross Amounts Not Offset in Condensed Consolidated Balance Sheets, Financial Instruments	361	3,780
Gross Amounts Not Offset in Condensed Consolidated Balance Sheets, Cash Collateral Received	0	0
Net Amount	$ 0	$ 6,845