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Comprehensive Income (Details 2) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011 | Dec. 31, 2011
Comprehensive Income |  |  |  |  |
Foreign currency translation adjustments | $ 77.4 |  | $ 77.4 |  | $ 57.7
Realized and unrealized loss on derivative securities | (3.1) |  | (3.1) |  | (2.2)
Unrealized loss on investment securities | (6.6) |  | (6.6) |  | (5.5)
Accumulated other comprehensive income | 67.7 |  | 67.7 |  | 50.0
Accumulated other comprehensive income (non-controlling interests) | (1.7) |  | (1.7) |  |
Accumulated other comprehensive income (controlling interest) | 66.0 |  | 66.0 |  | 50.0
Foreign currency translation adjustment | 15.2 | (34.6) | 19.7 | (18.2) |
Change in net realized and unrealized loss on derivative securities, Net of Tax | (0.3) | (6.3) | (0.9) | (7.1) |
Change in net unrealized loss on investment securities, Net of Tax | 1.2 | (40.5) | (1.1) | (46.2) |
Other comprehensive income (loss) | 16.1 | (81.4) | 17.7 | (71.5) |
Other comprehensive income (non-controlling interests) |  |  | (1.7) |  |
Other comprehensive income (controlling interest) |  |  | $ 16.0 |  |

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