Derivative Instruments (Details) - USD ($) $ in Thousands	Apr. 03, 2016	Dec. 31, 2015
Derivative [Line Items]
Total outstanding derivative contracts	$ 275,201	$ 345,653
Cash Flow Hedging [Member]
Derivative [Line Items]
Total outstanding derivative contracts	105,000	150,000
Balance Sheet Hedges [Member]
Derivative [Line Items]
Total outstanding derivative contracts	$ 170,201	$ 195,653