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Note 3 - Properties, Plants, Equipment and Mineral Interests, and Lease Commitments | 12 Months Ended
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Dec. 31, 2012
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, |
|  | 2012 |  |  | 2011 |
Mining properties, including asset retirement obligations |  | $ | 294,573 |  |  | $ | 286,873 |
Development costs |  |  | 151,504 |  |  |  | 123,772 |
Plants and equipment |  |  | 419,377 |  |  |  | 383,045 |
Land |  |  | 15,788 |  |  |  | 11,188 |
Mineral interests |  |  | 375,028 |  |  |  | 383,491 |
Construction in progress |  |  | 176,925 |  |  |  | 125,045 |
|  |  | 1,433,195 |  |  |  | 1,313,414 |
Less accumulated depreciation, depletion and amortization |  |  | 436,536 |  |  |  | 390,202 |
Net carrying value |  | $ | 996,659 |  |  | $ | 923,212 |
During 2012, we incurred total capital expenditures, excluding additions acquired under capital leases and adjustments to asset retirement obligations, of approximately $116.8 million, which included $54.7 million at the Lucky Friday unit, and $50.4 million at the Greens Creek unit. During 2011 we had capital expenditures of $33.8 million related to the acquisition of the remaining 30% interest in the San Juan Silver project (see Note 16 for more information) . Capital Leases During 2012 and 2011 we entered into lease agreements for equipment at our Greens Creek and Lucky Friday units which we have determined to be capital leases. As of December 31, 2012 and 2011, we have recorded $28.9 million and $15.8 million, respectively, for the gross amount of assets acquired under the capital leases and $5.3 million and $5.7 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, 2012, 2011 and 2010, we incurred expenses of $3.1 million, $3.0 million and $3.0 million, respectively, for these leases. At December 31, 2012, future obligations under our non-cancelable operating leases were as follows (in thousands):
| Year ending December 31, |  |  |  |
| 2013 |  | $ | 3,087 |  |
| 2014 |  |  | 3,114 |  |
| 2015 |  |  | 1,434 |  |
| 2016 |  |  | 1,438 |  |
| 2017 |  |  | 1,056 |  |
| Thereafter |  |  | 3,848 |  |
| Total |  | $ | 13,977 |  |

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- Definition The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, 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 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: 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 5: 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 + Details
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