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Segment Information (Details) (USD $) | 3 Months Ended | 9 Months Ended |  |  | 3 Months Ended |  |  | 3 Months Ended | 9 Months Ended |  |  | 9 Months Ended |  |  | 1 Months Ended | 9 Months Ended |  | 9 Months Ended | 3 Months Ended | 0 Months Ended
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Sep. 27, 2014 | Sep. 27, 2014 | Dec. 31, 2013 | Mar. 30, 2013 | Mar. 30, 2013 Pork | Sep. 27, 2014 Power item | Sep. 27, 2014 Processing plants in Salt Lake City, Utah and Missoula, Montana | Sep. 27, 2014 Butterball, LLC Long-term note receivable | Dec. 31, 2012 Butterball, LLC Long-term note receivable | Sep. 27, 2014 Butterball, LLC Turkey | Sep. 28, 2013 Butterball, LLC Turkey | Sep. 27, 2014 Butterball, LLC Turkey | Sep. 28, 2013 Butterball, LLC Turkey | Dec. 31, 2013 Butterball, LLC Turkey | Sep. 27, 2014 Bakery business Democratic Republic of Congo | Sep. 27, 2014 Bakery business Democratic Republic of Congo Supplier concentration risk item | Sep. 27, 2014 Bakery business Commodity Trading and Milling Democratic Republic of Congo | Dec. 31, 2012 Bakery business Commodity Trading and Milling Democratic Republic of Congo | Sep. 27, 2014 Cargo terminal operator in Jamaica Marine | Sep. 27, 2014 Daily's item | Sep. 27, 2014 Daily's Pork | Sep. 27, 2014 Triumph Daily's | Sep. 27, 2014 Divestiture of a 50% interest in Daily's | Sep. 27, 2014 Divestiture of a 50% interest in Daily's Pork | Sep. 27, 2014 Divestiture of a 50% interest in Daily's Triumph Pork
Segment Information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest sold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00%
Cash proceeds |  | $ 72,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 72,500,000 |  | $ 72,500,000
Amount receivable for preliminary working capital adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,720,000
Gain on sale of controlling interest in a subsidiary | 64,392,000 | 64,392,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 64,392,000 | 64,392,000 |
Gain on sale of controlling interest in subsidiary net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39,279,000 |
Gain on sale of controlling interest in subsidiary (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 33.56 |
Number of processing units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Percentage of ownership interest accounted as equity method investment |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  | 50.00% | 21.00% |  | 50.00% |  |  |  |
Exceeded amount of book value of investment to determine fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31,336,000 |  |  |  |  |
Fair value of investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,500,000 |  |  |  |  |
Amount contributed as additional equity to provide additional working capital to equity method investee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |
Total investment in affiliate | 522,071,000 | 522,071,000 | 406,900,000 |  |  |  |  |  |  |  |  |  |  |  | 71,593,000 |  |  |  |  | 74,500,000 |  |  |  |  |
One-time Federal blender's credits recognized as revenue |  |  |  | 11,260,000 | 11,260,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note Receivable from Affiliates |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 34,556,000 |  |  |  |  |  |  |  |
Equity investment in affiliates |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,869,000 |  |  |  |  |  |  |  |  |  |
Number of suppliers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Amount invested for acquiring non-controlling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,333,000 |  |  |  |  |  |
Capacity of power facility leased (in megawatts) |  |  |  |  |  | 72 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Portion of sales price remaining in escrow |  |  |  |  |  | 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future gain on sale of assets |  |  |  |  |  | 4,953,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 486,971,000 | 444,787,000 | 1,218,402,000 | 1,169,301,000 |  |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  |  | 35,881,000 | 1,282,000 | 85,311,000 | (3,238,000) |  |  |  |  |  |  |  |  |  |  |  |
Proportionate share of impairment charges of fixed assets recognized in loss from affiliate |  |  |  |  |  |  |  |  |  |  | (1,155,000) |  | (3,859,000) |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  | 1,073,196,000 |  | 1,073,196,000 |  | 907,004,000 |  |  |  |  |  |  |  |  |  |  |
Notes receivable from affiliates | $ 194,244,000 | $ 194,244,000 | $ 180,386,000 |  |  |  |  | $ 137,105,000 | $ 81,231,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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