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Commitments and Contingencies (Details 2) (USD $) |  | 1 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Jun. 30, 2012 Commodity Trading and Milling D | Dec. 31, 2012 Hog procurement contracts | Dec. 31, 2012 Hog procurement contracts Pork segment | Dec. 31, 2011 Hog procurement contracts Pork segment | Dec. 31, 2010 Hog procurement contracts Pork segment | Dec. 31, 2012 Grain and feed ingredients | Dec. 31, 2012 Grain purchase contracts for resale | Dec. 31, 2012 Fuel supply contract | Dec. 31, 2012 Equipment purchases and facility improvements | Dec. 31, 2012 Construction of new dry bulk vessels | Dec. 31, 2012 Other purchase commitments | Dec. 31, 2012 Total firm purchase commitments | Dec. 31, 2012 Vessel, time and voyage-charters | Dec. 31, 2012 Vessel, time and voyage-charters Marine | Dec. 31, 2011 Vessel, time and voyage-charters Marine | Dec. 31, 2010 Vessel, time and voyage-charters Marine | Dec. 31, 2012 Vessel, time and voyage-charters Marine Minimum | Dec. 31, 2012 Vessel, time and voyage-charters Marine Maximum | Dec. 31, 2012 Contract grower finishing agreements | Dec. 31, 2012 Contract grower finishing agreements Pork segment | Dec. 31, 2011 Contract grower finishing agreements Pork segment | Dec. 31, 2010 Contract grower finishing agreements Pork segment | Dec. 31, 2012 Other operating lease payments | Dec. 31, 2011 Other operating lease payments | Dec. 31, 2010 Other operating lease payments
Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2013 | $ 1,238,131,000 |  | $ 187,555,000 |  |  |  | $ 120,308,000 | $ 665,192,000 | $ 85,279,000 | $ 48,814,000 | $ 4,150,000 | $ 17,521,000 | $ 1,128,819,000 | $ 77,846,000 |  |  |  |  |  | $ 11,883,000 |  |  |  | $ 19,583,000 |  |
2014 | 257,258,000 |  | 118,035,000 |  |  |  | 4,317,000 |  |  |  | 70,550,000 | 144,000 | 193,046,000 | 36,558,000 |  |  |  |  |  | 11,156,000 |  |  |  | 16,498,000 |  |
2015 | 163,720,000 |  | 105,410,000 |  |  |  | 3,700,000 |  |  |  |  | 45,000 | 109,155,000 | 30,282,000 |  |  |  |  |  | 9,689,000 |  |  |  | 14,594,000 |  |
2016 | 131,100,000 |  | 87,767,000 |  |  |  |  |  |  |  |  | 34,000 | 87,801,000 | 19,021,000 |  |  |  |  |  | 9,997,000 |  |  |  | 14,281,000 |  |
2017 | 112,374,000 |  | 69,047,000 |  |  |  |  |  |  |  |  | 35,000 | 69,082,000 | 18,993,000 |  |  |  |  |  | 9,831,000 |  |  |  | 14,468,000 |  |
Thereafter | 268,108,000 |  | 4,358,000 |  |  |  |  |  |  |  |  | 131,000 | 4,489,000 | 81,869,000 |  |  |  |  |  | 9,241,000 |  |  |  | 172,509,000 |  |
Contract period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year | 12 years |  |  |  |  |  |  |
Number of dry bulk vessels to be built |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of dry bulk vessels to be built |  | 83,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid under the down payment |  | 8,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,641,000 | 13,037,000 | 13,752,000 |  |  |
Amount paid under the contract |  |  |  | 190,471,000 | 181,383,000 | 183,982,000 |  |  |  |  |  |  |  |  | 88,110,000 | 87,895,000 | 57,606,000 |  |  |  |  |  |  |  |  |
Operating Leases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rental expense for operating leases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,224,000 | 25,916,000 | 24,835,000
Conditional and Unconditional Commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Incentive payments for achieving certain performance standards |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,500,000 |  |  |  |  |
Amount paid under the down payment |  | $ 8,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,641,000 | $ 13,037,000 | $ 13,752,000 |  |  |

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