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STOCKHOLDERS' EQUITY: (Details 2) (USD $) In Millions, except Share data, unless otherwise specified | 1 Months Ended | 5 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | 41 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2011 | Sep. 30, 2011 | Aug. 31, 2011 | Jul. 31, 2011 | Jun. 30, 2011 | May 31, 2011 | Dec. 31, 2008 | Oct. 14, 2010 | Sep. 30, 2009 | Dec. 31, 2011 | Dec. 31, 2008 | Dec. 31, 2011 | Oct. 21, 2011
SCC share repurchase program: |  |  |  |  |  |  |  |  |  |  |  |  |
Amount authorized for share repurchase program |  |  |  | $ 1,000 |  |  |  |  |  |  | $ 500 |  |
Total number of Shares Purchased | 620,000 | 1,069,669 | 2,762,811 |  | 4,567,520 | 14,400 | 28,510,150 | 15,600 | 4,912,000 | 9,034,400 |  | 42,472,150 |
Average Price Paid per Share | $ 24.73 | $ 26.59 | $ 29.63 |  | $ 32.30 | $ 37.06 | $ 13.49 | $ 29.69 | $ 14.64 | $ 30.29 |  | $ 17.20 |
Total Number of Shares Purchased as Part of Publicly Announced Plan |  | 41,852,150 | 40,782,481 |  | 38,019,670 | 33,452,150 | 28,510,150 | 33,437,750 | 33,422,150 |  | 28,510,150 |  | 42,472,150
Maximum Number of Shares that may yet be Purchased Under the Plan @ $30.18 |  |  |  |  |  |  |  |  |  | 8,922,746 |  | 8,922,746 |
Share purchase price under the plan (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 30.18 |  | $ 30.18 |
Total cost | $ 15.3 | $ 28.4 | $ 81.9 |  | $ 147.5 | $ 0.5 | $ 384.7 | $ 0.5 | $ 71.9 | $ 273.7 |  | $ 730.7 |

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 1 -Section B -Paragraph 7 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -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 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 1 -Section B -Paragraph 7 -Subparagraph b -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. + Details
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