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Commitments and Contingencies (Details 2) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Commitments |  |  |
2012 | $ 957,814,000 |  |
2013 | 196,374,000 |  |
2014 | 164,290,000 |  |
2015 | 157,975,000 |  |
2016 | 131,417,000 |  |
Thereafter | 377,387,000 |  |
Hog procurement contracts |  |  |
Commitments |  |  |
2012 | 166,904,000 |  |
2013 | 118,934,000 |  |
2014 | 112,769,000 |  |
2015 | 109,784,000 |  |
2016 | 90,300,000 |  |
Thereafter | 73,580,000 |  |
Hog procurement contracts | Pork segment |  |  |
Commitments |  |  |
Amount paid under the contract | 181,383,000 | 183,982,000 | 163,047,000
Grain and feed ingredients |  |  |
Commitments |  |  |
2012 | 149,053,000 |  |
2013 | 910,000 |  |
Grain purchase contracts for resale |  |  |
Commitments |  |  |
2012 | 409,011,000 |  |
Construction of new power barge |  |  |
Commitments |  |  |
2012 | 18,071,000 |  |
Fuel purchase contract |  |  |
Commitments |  |  |
2012 | 37,020,000 |  |
Equipment purchases and facility improvements |  |  |
Commitments |  |  |
2012 | 18,537,000 |  |
Other purchase commitments |  |  |
Commitments |  |  |
2012 | 28,538,000 |  |
2013 | 2,597,000 |  |
2014 | 71,000 |  |
2015 | 35,000 |  |
2016 | 34,000 |  |
Thereafter | 161,000 |  |
Total firm purchase commitments |  |  |
Commitments |  |  |
2012 | 827,134,000 |  |
2013 | 122,441,000 |  |
2014 | 112,840,000 |  |
2015 | 109,819,000 |  |
2016 | 90,334,000 |  |
Thereafter | 73,741,000 |  |
Vessel, time and voyage-charter Arrangements |  |  |
Commitments |  |  |
2012 | 101,087,000 |  |
2013 | 48,093,000 |  |
2014 | 28,262,000 |  |
2015 | 26,098,000 |  |
2016 | 18,849,000 |  |
Thereafter | 98,961,000 |  |
Vessel, time and voyage-charter Arrangements | Marine |  |  |
Commitments |  |  |
Amount paid under the contract | 87,895,000 | 57,606,000 | 82,728,000
Vessel, time and voyage-charter Arrangements | Marine | Minimum |  |  |
Commitments |  |  |
Contract period (in years) | 1 |  |
Vessel, time and voyage-charter Arrangements | Marine | Maximum |  |  |
Commitments |  |  |
Contract period (in years) | 12 |  |
Contract grower finishing agreements |  |  |
Commitments |  |  |
2012 | 11,673,000 |  |
2013 | 10,470,000 |  |
2014 | 9,295,000 |  |
2015 | 8,713,000 |  |
2016 | 9,019,000 |  |
Thereafter | 16,919,000 |  |
Contract grower finishing agreements | Pork segment |  |  |
Conditional and Unconditional Commitments |  |  |
Incentive payments for achieving certain performance standards | 1,400,000 |  |
Amount paid under the contract | 13,037,000 | 13,752,000 | 13,703,000
Other operating lease payments |  |  |
Commitments |  |  |
2012 | 17,920,000 |  |
2013 | 15,370,000 |  |
2014 | 13,893,000 |  |
2015 | 13,345,000 |  |
2016 | 13,215,000 |  |
Thereafter | 187,766,000 |  |
Operating Leases |  |  |
Rental expense for operating leases | $ 25,916,000 | $ 24,835,000 | $ 26,404,000

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