Derivatives and Hedging Activities - Derivative Contracts (Details 2) (Foreign Exchange Forward Contract [Member], USD $)	Dec. 28, 2014	Dec. 29, 2013
Other current assets [Member]
Non-designated cash flow hedges, assets
Foreign exchange forward contracts not designated	$ 4,800,000	$ 777,000
Other non-current assets [Member]
Non-designated cash flow hedges, assets
Foreign exchange forward contracts not designated	0	0
Other current accrued liabilities [Member]
Designated cash flow hedges, liabilities
Foreign exchange forward contracts designated	1,472,000	38,375,000
Non-designated cash flow hedges, liabilities
Foreign exchange forward contracts not designated	6,752,000	7,366,000
Total derivatives, liabilities	8,224,000	45,741,000
Non-current liabilities [Member]
Designated cash flow hedges, liabilities
Foreign exchange forward contracts designated	0	118,000
Non-designated cash flow hedges, liabilities
Foreign exchange forward contracts not designated	0	0
Total derivatives, liabilities	$ 0	$ 118,000