v2.3.0.15

Earnings Per Share (Computation Of Basic And Diluted Earnings Per Common Share) (Details) (USD $) In Thousands, except Share data | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010
Earnings Per Share |  |  |  |  |  |  |  |
Net (loss) income (attributable) available to RenaissanceRe common shareholders | $ 49,263 |  | $ 204,750 |  | $ (174,006) |  | $ 580,038 |
Amount allocated to participating common shareholders | (911) | [1] | (5,147) | [1] | (761) | [1] | (14,639) | [1]
Net (loss) income (attributable) allocated to common shareholders | $ 48,352 |  | $ 199,603 |  | $ (174,767) |  | $ 565,399 |
Denominator for basic (loss) income per RenaissanceRe common share - Weighted average common shares | 50,501 |  | 53,467 |  | 50,830 |  | 55,804 |
Per common share equivalents of employee stock options and restricted shares | 472 |  | 498 |  |  |  | 495 |
Denominator for diluted (loss) income per RenaissanceRe common share - Adjusted weighted average common shares and assumed conversions | 50,973 |  | 53,965 |  | 50,830 | [2] | 56,299 | [2]
Basic (loss) income per RenaissanceRe common share | $ 0.96 |  | $ 3.73 |  | $ (3.44) |  | $ 10.13 |
Diluted (loss) income per RenaissanceRe common share | $ 0.95 | [3] | $ 3.70 | [3] | $ (3.44) | [2],[3] | $ 10.04 | [2],[3]
[1] | Represents earnings attributable to holders of unvested restricted shares issued under the Company's 2001 Stock Incentive Plan and Non-Employee Director Stock Incentive Plan.
[2] | Earnings per share calculations use average common shares outstanding - basic, when in a net loss position, as required by the FASB ASC Topic Earnings Per Share.
[3] | Earnings per share calculations use average common shares outstanding - basic, when in a net loss position, as required by FASB ASC Topic Earnings per Share.

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