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STOCKHOLDERS' EQUITY: (Details 2) (USD $) In Millions, except Share data, unless otherwise specified | 1 Months Ended | 3 Months Ended | 12 Months Ended | 74 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Aug. 31, 2014 | Jul. 31, 2014 | Jun. 30, 2014 | Mar. 21, 2014 | Jan. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2008 | Sep. 30, 2014 | Oct. 17, 2013 | Jul. 28, 2011
SCC share repurchase program: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount authorized for share repurchase program |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |  | $ 2,000 | $ 1,000
Total Number of Shares Purchased | 4,498,263 | 4,926,534 | 724,516 | 450,532 | 106,079 | 1,768,000 | 10,149,313 | 450,532 | 1,874,079 | 10,245,000 | 4,442,336 | 9,034,400 | 15,600 | 4,912,000 | 28,510,150 | 69,633,410 |  |
Average Price Paid per Share (in dollars per share) | $ 31.44 | $ 32.09 | $ 33.04 | $ 28.92 | $ 27.04 | $ 28.06 | $ 31.87 | $ 28.92 | $ 28.00 | $ 27.47 | $ 33.17 | $ 30.29 | $ 29.69 | $ 14.64 | $ 13.49 | $ 22.24 |  |
Total Number of Shares Purchased as Part of Publicly Announced Plan | 69,633,410 | 65,135,147 | 60,208,613 | 59,484,097 | 59,033,565 | 58,927,486 | 69,633,410 | 59,484,097 |  | 57,159,486 | 46,914,486 | 42,472,150 | 33,437,750 | 33,422,150 | 28,510,150 | 69,633,410 |  |
Maximum Number of Shares that May Yet Be Purchased Under the Plan @ $30.37 | 15,229,726 |  |  |  |  |  | 15,229,726 |  |  |  |  |  |  |  |  | 15,229,726 |  |
Share purchase price under the plan (in dollars per share) | $ 29.65 |  |  |  |  |  | $ 29.65 |  |  |  |  |  |  |  |  | $ 29.65 |  |
Total Cost | $ 141.4 | $ 158.1 | $ 23.9 | $ 13.0 | $ 2.9 | $ 49.6 | $ 323.4 | $ 13.0 | $ 52.5 | $ 281.4 | $ 147.3 | $ 273.7 | $ 0.5 | $ 71.9 | $ 384.7 | $ 1,548.4 |  |
Percentage of ownership interest held by the parent company | 83.50% |  |  |  |  |  | 83.50% |  |  |  |  |  |  |  |  | 83.50% |  |

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