Derivatives and Hedging Activities - Derivative Contracts (Details 2) (USD $)	Sep. 28, 2014	Dec. 29, 2013
Non-designated cash flow hedges, assets
Total derivatives, assets	$ 2,254,000	$ 777,000
Foreign Exchange Contract [Member] | Other current assets [Member]
Non-designated cash flow hedges, assets
Cash Flow Hedge Derivative at Gross Fair Value, Non-designated, Assets	2,254,000	777,000
Foreign Exchange Contract [Member] | Other non-current assets [Member]
Non-designated cash flow hedges, assets
Cash Flow Hedge Derivative at Gross Fair Value, Non-designated, Assets	0	0
Foreign Exchange Contract [Member] | Other Current Accrued Liabilities [Member]
Designated cash flow hedges, liabilities
Cash Flow Hedge Derivative at Gross Fair Value, Liabilities	16,366,000	38,375,000
Non-designated cash flow hedges, liabilities
Cash Flow Hedge Derivative at Gross Fair Value, Non-designated, Liabilities	7,665,000	7,366,000
Total derivatives, liabilities	24,031,000	45,741,000
Foreign Exchange Contract [Member] | Non-current liabilities [Member]
Designated cash flow hedges, liabilities
Cash Flow Hedge Derivative at Gross Fair Value, Liabilities	0	118,000
Non-designated cash flow hedges, liabilities
Cash Flow Hedge Derivative at Gross Fair Value, Non-designated, Liabilities	0	0
Total derivatives, liabilities	$ 0	$ 118,000