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Note 11. Business Segments and Significant Customers | 12 Months Ended
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Dec. 31, 2011
Segment Reporting Disclosure [Text Block] | Note 11: Business Segments and Significant Customers We discover, acquire, develop, produce, and market silver, gold, lead and zinc. Our products consist of both metal concentrates, which we sell to custom smelters, and unrefined bullion bars (doré), which may be sold as doré or further refined before sale to precious metals traders. We are currently organized and managed by two segments, which represent our operating units: the Greens Creek unit and the Lucky Friday unit. General corporate activities not associated with operating units and their various exploration activities, as well as discontinued operations and idle properties, are presented as “other.” Interest expense, interest income and income taxes are considered general corporate items, and are not allocated to our segments. Sales of metal concentrates and metal products are made principally to custom smelters and metals traders. The percentage of sales contributed by each segment is reflected in the following table:
|  | Year Ended December 31,
|  | 2011 |  | 2010 |  | 2009
Greens Creek |  |  | 71.8 | % |  |  | 74.8 | % |  |  | 73.4 | %
Lucky Friday |  |  | 28.2 | % |  |  | 25.2 | % |  |  | 26.6 | %
|  |  | 100 | % |  |  | 100 | % |  |  | 100 | %
The tables below present information about reportable segments as of and for the years ended December 31, 2011, 2010 and 2009 (in thousands).
|  | 2011 |  |  | 2010 |  |  | 2009
Net sales from continuing operations to unaffiliated customers: |  |  |  |  |  |  |  |
Greens Creek |  | $ | 342,906 |  |  | $ | 313,318 |  |  | $ | 229,318 |
Lucky Friday |  |  | 134,728 |  |  |  | 105,495 |  |  |  | 83,230 |
|  | $ | 477,634 |  |  | $ | 418,813 |  |  | $ | 312,548 |
Income (loss) from operations: |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 181,116 |  |  | $ | 138,973 |  |  | $ | 79,329 |
Lucky Friday |  |  | 75,608 |  |  |  | 48,639 |  |  |  | 27,146 |
Other |  |  | (59,079 | ) |  |  | (239,167 | ) |  |  | (31,203 | )
|  | $ | 197,645 |  |  | $ | (51,555 | ) |  | $ | 75,272 |
Capital additions (including non-cash additions): |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 41,657 |  |  | $ | 18,280 |  |  | $ | 17,520 |
Lucky Friday |  |  | 60,454 |  |  |  | 54,370 |  |  |  | 15,990 |
Other |  |  | 35,274 |  |  |  | 2,089 |  |  |  | 30 |
|  | $ | 137,385 |  |  | $ | 74,739 |  |  | $ | 33,540 |
Depreciation, depletion and amortization from continuing operations: |  |  |  |  |  |  |  |
Greens Creek |  | $ | 41,013 |  |  | $ | 51,671 |  |  | $ | 52,909 |
Lucky Friday |  |  | 6,053 |  |  |  | 8,340 |  |  |  | 9,928 |
|  | $ | 47,066 |  |  | $ | 60,011 |  |  | $ | 62,837 |
Other significant non-cash items from continuing operations: |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 2,326 |  |  | $ | 17,829 |  |  | $ | 2,974 |
Lucky Friday |  |  | 14 |  |  |  | 5,053 |  |  |  | 22 |
Other |  |  | 31,470 |  |  |  | 57,651 |  |  |  | (6,687 | )
|  | $ | 33,810 |  |  | $ | 80,533 |  |  | $ | (3,691 | )
Identifiable assets: |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 729,289 |  |  | $ | 740,573 |  |  | $ | 771,433 |
Lucky Friday |  |  | 213,285 |  |  |  | 170,928 |  |  |  | 116,797 |
Other |  |  | 453,516 |  |  |  | 470,992 |  |  |  | 158,554 |
|  | $ | 1,396,090 |  |  | $ | 1,382,493 |  |  | $ | 1,046,784 |
The following is sales information by geographic area, based on the location of concentrate shipments and location of parent company for sales from continuing operations to metal traders, for the years ended December 31, 2011 (in thousands):
|  | 2011 |  |  | 2010 |  |  | 2009 |
United States |  | $ | 24,409 |  |  | $ | 24,708 |  |  | $ | 19,127 |
Canada |  |  | 240,569 |  |  |  | 124,862 |  |  |  | 136,248 |
Mexico |  |  | — |  |  |  | 16,258 |  |  |  | 20,413 |
Japan |  |  | 60,963 |  |  |  | 62,740 |  |  |  | 43,356 |
Korea |  |  | 92,919 |  |  |  | 94,114 |  |  |  | 77,492 |
China |  |  | 51,635 |  |  |  | 73,257 |  |  |  | 15,912 |
Belgium |  |  | — |  |  |  | 25,907 |  |  |  | — |
Total, excluding gains/losses on forward contracts |  | $ | 470,495 |  |  | $ | 421,846 |  |  | $ | 312,548 |
Sales of products for the year ended December 31, 2011 also include a net gain of $7.1 million on financially-settled forward contracts for lead and zinc contained in our concentrate sales. See Note 10 for more information. The following are our long-lived assets by geographic area as of December 31, 2011 (in thousands):
|  | 2011 |  |  | 2010 |
United States |  | $ | 923,040 |  |  | $ | 833,186 |
Canada |  |  | 99 |  |  |  | 10 |
Mexico |  |  | 73 |  |  |  | 92 |
|  | $ | 923,212 |  |  | $ | 833,288 |
Sales from continuing operations to significant metals customers as a percentage of total sales were as follows for the years ended December 31, 2011, 2010 and 2009:
|  | Year Ended December 31,
|  | 2011 |  | 2010 |  | 2009
Teck Metals Ltd. |  |  | 51.1 | % |  |  | 29.6 | % |  |  | 43.6 | %
Korea Zinc |  |  | 18.4 | % |  |  | 20.7 | % |  |  | 23.4 | %
Trafigura AG |  |  | 12.4 | % |  |  | 17.4 | % |  |  | — |

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8595-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8538-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8864-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8380-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8984-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -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 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8844-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 + Details
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