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COMMITTMENTS AND CONTINGENCIES: (Tables) | 6 Months Ended
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Jun. 30, 2011
COMMITMENTS AND CONTINGENCIES: |
Schedule of environmental capital expenditures |
|  | 2011 |  | 2010 |
Peruvian operations |  | $ | 1.1 |  | $ | 3.8 |
Mexican operations |  | 3.7 |  | 5.5 |
|  | $ | 4.8 |  | $ | 9.3 |

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- Definition Tabular disclosure of environmental capital expenditures incurred during the period. + Details
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