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SEGMENTS AND RELATED INFORMATION: (Tables) | 12 Months Ended
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Dec. 31, 2011
SEGMENT AND RELATED INFORMATION: |
Schedule of income and assets by segments |
|  | Year Ended December 31, 2011 |
|  | (in millions) |
|  | Mexican Open-pit |  | Mexican IMMSA Unit |  | Peruvian Operations |  | Corporate and other eliminations |  | Total Consolidated |
Net sales outside of segments |  | $ | 3,212.1 |  | $ | 420.1 |  | $ | 3,186.5 |  | $ | — |  | $ | 6,818.7 |
Intersegment sales |  | — |  | 126.1 |  | — |  | (126.1 | ) | — |
Cost of sales (exclusive of depreciation, amortization and depletion) |  | 1,115.8 |  | 309.3 |  | 1,441.0 |  | (102.9 | ) | 2,763.2 |
Selling, general and administrative |  | 34.1 |  | 14.7 |  | 50.8 |  | 4.9 |  | 104.5 |
Depreciation, amortization and depletion |  | 133.6 |  | 24.5 |  | 140.6 |  | (10.6 | ) | 288.1 |
Exploration |  | 3.5 |  | 22.0 |  | 12.0 |  | — |  | 37.5 |
Operating income |  | $ | 1,925.1 |  | $ | 175.7 |  | $ | 1,542.1 |  | $ | (17.5 | ) | 3,625.4 |
Less: |  |  |  |  |  |  |  |  |  |  |
Interest, net |  |  |  |  |  |  |  |  |  | (172.8 | )
Other income (expense) |  |  |  |  |  |  |  |  |  | (4.0 | )
Income taxes |  |  |  |  |  |  |  |  |  | (1,104.3 | )
Net income |  |  |  |  |  |  |  |  |  | 2,344.3 |
Income attributable to the non-controlling interest |  |  |  |  |  |  |  |  |  | (7.9 | )
Income attributable to SCC |  |  |  |  |  |  |  |  |  | $ | 2,336.4 |
Capital expenditures |  | $ | 358.3 |  | $ | 48.9 |  | $ | 205.7 |  | $ | — |  | $ | 612.9 |
Property, net |  | $ | 1,817.2 |  | $ | 320.1 |  | $ | 2,225.9 |  | $ | 56.7 |  | $ | 4,419.9 |
Total assets |  | $ | 3,471.6 |  | $ | 743.4 |  | $ | 3,164.0 |  | $ | 683.7 |  | $ | 8,062.7 |
|  | Year Ended December 31, 2010 |
|  | (in millions) |
|  | Mexican Open-pit |  | Mexican IMMSA Unit |  | Peruvian Operations |  | Corporate and other eliminations |  | Total Consolidated |
Net sales outside of segments |  | $ | 1,618.7 |  | $ | 366.7 |  | $ | 3,125.9 |  | $ | 38.2 |  | $ | 5,149.5 |
Intersegment sales |  | 29.8 |  | 146.0 |  | — |  | (175.8 | ) | — |
Cost of sales (exclusive of depreciation, amortization and depletion) |  | 751.7 |  | 307.4 |  | 1,206.2 |  | (136.3 | ) | 2,129.0 |
Selling, general and administrative |  | 31.5 |  | 13.4 |  | 52.4 |  | 3.0 |  | 100.3 |
Depreciation, amortization and depletion |  | 122.1 |  | 22.7 |  | 134.0 |  | 2.9 |  | 281.7 |
Exploration |  | 5.2 |  | 15.5 |  | 13.6 |  | — |  | 34.3 |
Operating income |  | $ | 738.0 |  | $ | 153.7 |  | $ | 1,719.7 |  | $ | (7.2 | ) | 2,604.2 |
Less: |  |  |  |  |  |  |  |  |  |  |
Interest, net |  |  |  |  |  |  |  |  |  | (152.7 | )
Other income (expense) |  |  |  |  |  |  |  |  |  | (20.7 | )
Income taxes |  |  |  |  |  |  |  |  |  | (868.1 | )
Net income |  |  |  |  |  |  |  |  |  | 1,562.7 |
Income attributable to the non-controlling interest |  |  |  |  |  |  |  |  |  | (8.7 | )
Income attributable to SCC |  |  |  |  |  |  |  |  |  | $ | 1,554.0 |
Capital expenditures |  | $ | 109.8 |  | $ | 29.8 |  | $ | 264.2 |  | $ | 4.9 |  | $ | 408.7 |
Property, net |  | $ | 1,583.5 |  | $ | 296.3 |  | $ | 2,164.7 |  | $ | 50.5 |  | $ | 4,095.0 |
Total assets |  | $ | 2,510.4 |  | $ | 747.7 |  | $ | 3,430.9 |  | $ | 1,439.0 |  | $ | 8,128.0 |
|  | Year Ended December 31, 2009 |
|  | (in millions) |
|  | Mexican Open-pit |  | Mexican IMMSA Unit |  | Peruvian Operations |  | Corporate and other eliminations |  | Total Consolidated |
Net sales outside of segments |  | $ | 1,037.0 |  | $ | 420.2 |  | $ | 2,223.5 |  | $ | 53.6 |  | $ | 3,734.3 |
Intersegment sales |  | 39.7 |  | 140.0 |  | — |  | (179.7 | ) | — |
Cost of sales (exclusive of depreciation, amortization and depletion) |  | 594.7 |  | 378.7 |  | 1,019.7 |  | (127.3 | ) | 1,865.8 |
Selling, general and administrative |  | 28.4 |  | 12.3 |  | 44.4 |  | 0.1 |  | 85.2 |
Depreciation, amortization and depletion |  | 120.5 |  | 24.4 |  | 127.5 |  | 1.2 |  | 273.6 |
Exploration |  | 2.1 |  | 7.9 |  | 14.6 |  | — |  | 24.6 |
Operating income |  | $ | 331.0 |  | $ | 136.9 |  | $ | 1,017.3 |  | $ | (0.1 | ) | 1,485.1 |
Less: |  |  |  |  |  |  |  |  |  |  |
Interest, net |  |  |  |  |  |  |  |  |  | (90.9 | )
Gain (Loss) on derivative instruments |  |  |  |  |  |  |  |  |  | 4.2 |
Other income (expense) |  |  |  |  |  |  |  |  |  | 6.1 |
Income taxes |  |  |  |  |  |  |  |  |  | (469.9 | )
Net income |  |  |  |  |  |  |  |  |  | 934.6 |
Income attributable to the non-controlling interest |  |  |  |  |  |  |  |  |  | (5.2 | )
Income attributable to SCC |  |  |  |  |  |  |  |  |  | $ | 929.4 |
Capital expenditures |  | $ | 79.4 |  | $ | 27.8 |  | $ | 284.4 |  | $ | 23.2 |  | $ | 414.8 |
Property, net |  | $ | 1,615.8 |  | $ | 278.4 |  | $ | 2,026.3 |  | $ | 49.1 |  | $ | 3,969.6 |
Total assets |  | $ | 2,346.5 |  | $ | 664.6 |  | $ | 2,896.9 |  | $ | 150.2 |  | $ | 6,058.2 |
Schedule of sales value per segment |
|  | Year Ended December 31, 2011 |
(in millions) |  | Mexican Open-pit |  | Mexican IMMSA Unit |  | Peruvian Operations |  | Corporate, Other & Eliminations |  | Total Consolidated |
Copper |  | $ | 2,509.6 |  | $ | 57.2 |  | $ | 2,720.0 |  | $ | (57.3 | ) | $ | 5,229.5 |
Molybdenum |  | 310.8 |  | — |  | 233.3 |  | — |  | 544.1 |
Silver |  | 248.1 |  | 184.2 |  | 121.2 |  | (61.1 | ) | 492.4 |
Zinc |  | — |  | 209.8 |  | — |  | — |  | 209.8 |
Other |  | 143.6 |  | 95.0 |  | 112.0 |  | (7.7 | ) | 342.9 |
Total |  | $ | 3,212.1 |  | $ | 546.2 |  | $ | 3,186.5 |  | $ | (126.1 | ) | $ | 6,818.7 |
|  | Year Ended December 31, 2010 |
(in millions) |  | Mexican Open-pit |  | Mexican IMMSA Unit |  | Peruvian Operations |  | Corporate, Other & Eliminations |  | Total Consolidated |
Copper |  | $ | 1,088.7 |  | $ | 68.9 |  | $ | 2,649.7 |  | $ | (61.5 | ) | $ | 3,745.8 |
Molybdenum |  | 361.3 |  | — |  | 322.1 |  | — |  | 683.4 |
Silver |  | 142.5 |  | 140.4 |  | 86.6 |  | (61.8 | ) | 307.7 |
Zinc |  | — |  | 211.7 |  | — |  | 0.8 |  | 212.5 |
Other |  | 56.0 |  | 91.7 |  | 67.5 |  | (15.1 | ) | 200.1 |
Total |  | $ | 1,648.5 |  | $ | 512.7 |  | $ | 3,125.9 |  | $ | (137.6 | ) | $ | 5,149.5 |
|  | Year Ended December 31, 2009 |
(in millions) |  | Mexican Open-pit |  | Mexican IMMSA Unit |  | Peruvian Operations |  | Corporate, Other & Eliminations |  | Total Consolidated |
Copper |  | $ | 698.0 |  | $ | 78.1 |  | $ | 1,888.7 |  | $ | (25.9 | ) | $ | 2,638.9 |
Molybdenum |  | 234.5 |  | — |  | 202.2 |  | — |  | 436.7 |
Silver |  | 96.6 |  | 194.7 |  | 59.6 |  | (75.5 | ) | 275.4 |
Zinc |  | — |  | 175.5 |  | — |  | 1.1 |  | 176.6 |
Other |  | 47.6 |  | 111.9 |  | 73.0 |  | (25.8 | ) | 206.7 |
Total |  | $ | 1,076.7 |  | $ | 560.2 |  | $ | 2,223.5 |  | $ | (126.1 | ) | $ | 3,734.3 |
Schedule of net sales by countries |
|  | Years Ended December 31, |
(in millions) |  | 2011 |  | 2010 |  | 2009 |
United States |  | $ | 2,103.7 |  | $ | 1,281.3 |  | $ | 1,025.4 |
Europe |  | 1,292.1 |  | 1,066.6 |  | 887.0 |
Mexico |  | 1,269.3 |  | 872.4 |  | 858.2 |
Peru |  | 261.7 |  | 315.8 |  | 112.6 |
Brasil |  | 598.5 |  | 446.6 |  | 258.4 |
Chile |  | 515.8 |  | 503.0 |  | 183.2 |
Latin America, other |  | 101.2 |  | 167.2 |  | 95.3 |
Asia |  | 662.9 |  | 538.5 |  | 314.2 |
Derivative instruments |  | 13.5 |  | (41.9 | ) | — |
Total |  | $ | 6,818.7 |  | $ | 5,149.5 |  | $ | 3,734.3 |
Schedule of provisionally priced copper and molybdenum sales outstanding |
Pounds of copper |  | Priced at |  | Month of settlement |
(millions) |  |  |  |  |
52.5 |  | 3.44 |  | January 2012 |
11.8 |  | 3.45 |  | February 2012 |
64.3 |  |  |  |  |
Pounds of molybdenum |  | Market price |  | Month of settlement |
(millions) |  |  |  |  |
4.4 |  | 13.35 |  | January 2012 |
3.2 |  | 13.35 |  | February 2012 |
2.7 |  | 13.35 |  | March 2012 |
10.3 |  | 13.35 |  | Total |
Schedule of provisional sales price adjustments included in accounts receivable and net sales |
|  | As of December 31, |
|  | 2011 |  | 2010 |
Copper |  | $ | 1.4 |  | $ | 4.8 |
Molybdenum |  | (3.4 | ) | 7.3 |
Total |  | $ | (2.0 | ) | $ | 12.1 |

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