Derivative Instruments (Details) - USD ($) $ in Thousands	Jul. 03, 2016	Dec. 31, 2015
Derivative [Line Items]
Total outstanding derivative contracts	$ 333,727	$ 345,653
Cash Flow Hedging [Member]
Derivative [Line Items]
Total outstanding derivative contracts	120,000	150,000
Balance Sheet Hedges [Member]
Derivative [Line Items]
Total outstanding derivative contracts	$ 213,727	$ 195,653