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Comprehensive Income (Details 2) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2012 | Mar. 31, 2011 | Dec. 31, 2011
Foreign currency translation adjustments | $ 72.1 |  | $ 57.7
Realized and unrealized losses on derivative securities | (2.3) |  | (2.2)
Unrealized gain (loss) on investment securities | 3.6 |  | (5.5)
Accumulated other comprehensive income | 73.4 |  | 50.0
Accumulated other comprehensive income (non-controlling interests) | (1.7) |  |
Accumulated other comprehensive income (controlling interest) | 71.7 |  | 50.0
Foreign currency translation adjustment | 14.4 | 14.2 |
Change in net realized and unrealized gain (loss) on derivative securities, net of tax | (0.1) | 0.7 |
Change in net unrealized gain (loss) on investment securities, net of tax | 9.1 | (3.5) |
Other comprehensive income | 23.4 | 11.4 |
Other comprehensive income (non-controlling interests) | (1.7) |  |
Other comprehensive income (controlling interest) | $ 21.7 |  |

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