Derivative Instruments - Balance Sheet Location (Details) - Foreign Exchange Contract [Member] - USD ($) $ in Thousands	Sep. 27, 2015	Dec. 31, 2014
Other Current Assets [Member]
Offsetting Derivative Assets [Abstract]
Gross amounts of recognized assets	$ 3,469	$ 2,456
Gross amounts offset in the balance sheet	(666)	(670)
Net amounts presented in other current assets	2,803	1,786
Other Current Liabilities [Member]
Offsetting Derivative Liabilities [Abstract]
Gross amounts of recognized liabilities	1,768	8,012
Gross amounts offset in the balance sheet	(229)	(3,487)
Net amounts presented in other current liabilities	1,539	4,525
Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Offsetting Derivative Assets [Abstract]
Gross amounts of recognized assets	2,681	0
Gross amounts offset in the balance sheet	(654)	0
Net amounts presented in other current assets	2,027	0
Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Offsetting Derivative Liabilities [Abstract]
Gross amounts of recognized liabilities	0	3,283
Gross amounts offset in the balance sheet	0	(865)
Net amounts presented in other current liabilities	0	2,418
Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Offsetting Derivative Assets [Abstract]
Gross amounts of recognized assets	788	2,456
Gross amounts offset in the balance sheet	(12)	(670)
Net amounts presented in other current assets	776	1,786
Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Offsetting Derivative Liabilities [Abstract]
Gross amounts of recognized liabilities	1,768	4,729
Gross amounts offset in the balance sheet	(229)	(2,622)
Net amounts presented in other current liabilities	$ 1,539	$ 2,107