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Note 3 - Properties, Plants, Equipment and Mineral Interests, and Lease Commitments | 12 Months Ended
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Dec. 31, 2013
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment Disclosure [Text Block] | Note 3: Properties, Plants, Equipment and Mineral Interests, and Lease Commitments Properties, Plants, Equipment and Mineral Interests Our major components of properties, plants, equipment, and mineral interests are (in thousands):
|  | December 31, |
|  | 2013 |  |  | 2012 |
Mining properties, including asset retirement obligations |  | $ | 312,692 |  |  | $ | 294,573 |
Development costs |  |  | 204,598 |  |  |  | 151,504 |
Plants and equipment |  |  | 626,818 |  |  |  | 419,377 |
Land |  |  | 15,799 |  |  |  | 15,788 |
Mineral interests |  |  | 946,144 |  |  |  | 375,028 |
Construction in progress |  |  | 200,921 |  |  |  | 176,925 |
|  |  | 2,306,972 |  |  |  | 1,433,195 |
Less accumulated depreciation, depletion and amortization |  |  | 515,371 |  |  |  | 436,536 |
Net carrying value |  | $ | 1,791,601 |  |  | $ | 996,659 |
During 2013, we incurred total capital expenditures, excluding additions acquired under capital leases and adjustments to asset retirement obligations, of approximately $150.7 million, which included $54.5 million at the Lucky Friday unit, $46.1 million at the Greens Creek unit, and $41.4 million at the Casa Berardi unit since its acquisition on June 1, 2013. On June 1, 2013, we completed the acquisition of Aurizon Mines, Ltd. ("Aurizon") for CAD$740.8 million ($714.5 million). See Note 16 for more information. Capital Leases We entered into lease agreements for primarily equipment at our Greens Creek and Lucky Friday units which we have determined to be capital leases. As of December 31, 2013 and 2012, we have recorded $41.2 million and $28.9 million, respectively, for the gross amount of assets acquired under the capital leases and $10.1 million and $5.3 million, respectively, in accumulated depreciation, classified as plants and equipment in Properties, plants, equipment and mineral interests. See Note 6 for information on future obligations related to our capital leases. Operating Leases We enter into operating leases during the normal course of business. During the years ended December 31, 2013, 2012 and 2011, we incurred expenses of $3.1 million, $3.1 million and $3.0 million, respectively, for these leases. At December 31, 2013, future obligations under our non-cancelable operating leases were as follows (in thousands):
Year ending December 31, |  |  |  |
2014 |  | $ | 3,347 |
2015 |  |  | 1,353 |
2016 |  |  | 1,370 |
2017 |  |  | 985 |
2018 |  |  | 917 |
Thereafter |  |  | 2,659 |
Total |  | $ | 10,631 |

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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