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Derivatives (Details) | 3 Months Ended | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  | 3 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended | 1 Months Ended | 12 Months Ended
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Dec. 28, 2013 USD ($) | Dec. 28, 2013 USD ($) month | Dec. 29, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 28, 2013 Designated as Hedging Instrument [Member] USD ($) | Dec. 29, 2012 Designated as Hedging Instrument [Member] USD ($) | Dec. 28, 2013 Not Designated as Hedging Instrument [Member] USD ($) | Dec. 29, 2012 Not Designated as Hedging Instrument [Member] USD ($) | Dec. 28, 2013 Natural Gas Swap [Member] USD ($) | Dec. 29, 2012 Natural Gas Swap [Member] USD ($) | Dec. 31, 2011 Natural Gas Swap [Member] USD ($) | Dec. 28, 2013 Natural Gas Swap [Member] Designated as Hedging Instrument [Member] Accrued Expenses [Member] USD ($) | Dec. 29, 2012 Natural Gas Swap [Member] Designated as Hedging Instrument [Member] Accrued Expenses [Member] USD ($) | Dec. 28, 2013 Natural Gas Swap [Member] Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 29, 2012 Natural Gas Swap [Member] Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 28, 2013 Corn Option [Member] USD ($) | Dec. 29, 2012 Corn Option [Member] USD ($) | Dec. 28, 2013 Corn Option [Member] Designated as Hedging Instrument [Member] Accrued Expenses [Member] USD ($) | Dec. 29, 2012 Corn Option [Member] Designated as Hedging Instrument [Member] Accrued Expenses [Member] USD ($) | Dec. 28, 2013 Corn Option [Member] Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 29, 2012 Corn Option [Member] Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 28, 2013 Foreign Exchange Contract [Member] Not Designated as Hedging Instrument [Member] Vion Ingredients [Member] USD ($) | Nov. 30, 2013 Foreign Exchange Contract [Member] Not Designated as Hedging Instrument [Member] Vion Ingredients [Member] EUR (€) | Dec. 28, 2013 Foreign Exchange Contract [Member] Not Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 29, 2012 Foreign Exchange Contract [Member] Not Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 28, 2013 Foreign Exchange Contract [Member] Not Designated as Hedging Instrument [Member] Other Current Assets [Member] Vion Ingredients [Member] USD ($) | Dec. 28, 2013 Corn options and futures [Member] Not Designated as Hedging Instrument [Member] Accrued Expenses [Member] USD ($) | Dec. 29, 2012 Corn options and futures [Member] Not Designated as Hedging Instrument [Member] Accrued Expenses [Member] USD ($) | Dec. 28, 2013 Corn options and futures [Member] Not Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 29, 2012 Corn options and futures [Member] Not Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 28, 2013 Heating Oil Swaps And Options [Member] Not Designated as Hedging Instrument [Member] Accrued Expenses [Member] USD ($) | Dec. 29, 2012 Heating Oil Swaps And Options [Member] Not Designated as Hedging Instrument [Member] Accrued Expenses [Member] USD ($) | Dec. 28, 2013 Heating Oil Swaps And Options [Member] Not Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 29, 2012 Heating Oil Swaps And Options [Member] Not Designated as Hedging Instrument [Member] Other Current Assets [Member] USD ($) | Dec. 28, 2013 Forward Contracts [Member] Commodity Contract [Member] USD ($) | Dec. 28, 2013 Cash Flow Hedging [Member] USD ($) | Dec. 31, 2010 Cash Flow Hedging [Member] Interest Rate Swap [Member] USD ($) | Dec. 28, 2013 Cash Flow Hedging [Member] Interest Rate Swap [Member] USD ($) | Dec. 29, 2012 Cash Flow Hedging [Member] Interest Rate Swap [Member] USD ($) | Dec. 28, 2013 Cash Flow Hedging [Member] Natural Gas Swap [Member] USD ($) | Dec. 29, 2012 Cash Flow Hedging [Member] Natural Gas Swap [Member] USD ($) | Dec. 28, 2013 Cash Flow Hedging [Member] Corn Option [Member] USD ($) | Dec. 29, 2012 Cash Flow Hedging [Member] Corn Option [Member] USD ($)
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Forward Exchange Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.346 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for Cash Flow Hedge |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Number of months cash flow hedge gain (loss) reclassified over |  | 12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount reclassified from accumulated other comprehensive loss into earnings over next 12 months |  | 2,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash Flow Hedge Loss Reclassified to Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Asset Derivatives Fair Value | 30,028,000 | 30,028,000 |  | 722,000 |  |  | 2,469,000 | 501,000 | 27,559,000 | 221,000 |  |  |  |  |  | 120,000 | 11,000 |  |  |  |  | 2,349,000 | 490,000 |  |  | 27,516,000 | 0 | 27,500,000 |  |  | 0 | 117,000 |  |  | 43,000 | 104,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Transaction Gain (Loss), Unrealized | 27,500,000 | 27,516,000 |  | 0 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 27,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liability Derivatives Fair Value | 3,000 | 3,000 |  | 144,000 |  |  | 1,000 | 21,000 | 2,000 | 123,000 |  |  |  | 0 | 21,000 |  |  |  |  | 1,000 | 0 |  |  |  |  |  |  |  | 0 | 119,000 |  |  | 2,000 | 4,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net |  | 7,598,000 | [1] | (311,000) | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | [1] | 0 | [1] | 248,000 | [1] | (628,000) | [1] | 7,350,000 | [1] | 317,000 | [1]
Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net |  | 5,527,000 | [2] | (1,527,000) | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | [2] | (260,000) | [2] | 41,000 | [2] | (1,267,000) | [2] | 5,486,000 | [2] | 0 | [2]
Gain Recognized in Income on Derivatives, Ineffective Portion and Amount Excluded from Effectiveness Testing |  | 270,000 | [3] | 172,000 | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | (4,000) |  | 13,000 |  | 274,000 |  | 159,000 |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax |  | 7,600,000 |  | (300,000) |  |  |  |  |  |  | 248,000 | (628,000) | (1,229,000) |  |  |  |  | 7,350,000 | 317,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax |  | 2,900,000 |  | 100,000 |  |  |  |  |  |  | 96,000 | (243,000) | (476,000) |  |  |  |  | 2,852,000 | 123,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Purchase Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Amount recognized in accumulated OCI (effective portion) is reported as accumulated other comprehensive loss of approximately $7.6 million and approximately $0.3 million recorded net of taxes of approximately $2.9 million and approximately $0.1 million for the year ended December 28, 2013 and December 29, 2012, respectively.
[2] | Gains and (losses) reclassified from accumulated OCI into income (effective portion) for interest rate swaps and natural gas swaps is included in interest expense and cost of sales, respectively, in the Company’s consolidated statements of operations.
[3] | Gains and (losses) recognized in income on derivatives (ineffective portion) for interest rate swaps and natural gas swaps is included in other income/(expense), net in the Company’s consolidated statements of operations.

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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