|
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified |
Sep. 30, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Investments, fair value | $ 4,364.3 | $ 3,481.8 |
|
Class A Ordinary Shares [Member]
|
||
| Common stock, nominal value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common stock, issued (in shares) | 215,137,527 | 222,081,117 |
| Common stock, outstanding (in shares) | 215,137,527 | 222,081,117 |
|
Class B Ordinary Shares [Member]
|
||
| Common stock, nominal value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common stock, issued (in shares) | 10,139,184 | 10,147,184 |
| Common stock, outstanding (in shares) | 10,139,184 | 10,147,184 |
|
Class C Ordinary Shares [Member]
|
||
| Common stock, nominal value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common stock, issued (in shares) | 555,026,283 | 556,221,669 |
| Common stock, outstanding (in shares) | 555,026,283 | 556,221,669 |