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Metal and Other Inventory (Tables) | 12 Months Ended
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Dec. 31, 2013
Inventory Disclosure [Abstract] |
Inventories | Metal and other inventory consist of the following (in thousands):
| December 31, 2013 |  | December 31, 2012
Concentrate and doré inventory | $ | 67,105 |  |  | $ | 91,130 |
Supplies | 64,918 |  |  | 79,540 |
| $ | 132,023 |  |  | $ | 170,670 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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