Goodwill and Other Intangible Assets	9 Months Ended
Sep. 30, 2011
Goodwill and Intangible Assets Disclosure [Text Block]	6. Goodwill and Other Intangible Assets The Company has goodwill of $826.4 million as at September 30, 2011, of which $428.2 million relates to the Company’s Insurance segment while $398.2 million relates to the Company’s Reinsurance segment. The estimated fair values of these reporting units exceeded their net book values as of September 30, 2011 and December 31, 2010 and therefore no impairments were recorded during either period. At September 30, 2011, the ending goodwill balance is comprised of gross goodwill of $1.82 billion offset by accumulated impairment charges of $990 million. The Company completed its annual goodwill impairment testing as of June 30, 2011 and 2010, which did not result in any goodwill impairments. Management have evaluated the sensitivity of the fair value calculations of our goodwill impairment test and concluded that relatively small changes to key assumptions such as discount rate, the terminal value, expected future revenues, gross margins and operating margins could result in a calculated fair value insufficient to support the current level of goodwill in certain businesses. Management have concluded that the prolonged weakened market conditions have resulted in the range of calculated fair values used for testing impairment in its reporting units being sufficiently close to the current net book values to warrant quarterly analysis until market conditions improve. Although the results of the analysis did not indicate the need for any impairment charges, if current economic conditions persist or deterioration in the overall financial markets in general occurs, it could result in goodwill impairments in the future. For further detailed information regarding the Company’s goodwill impairment testing methodology see Item 8, Note 7 to the Consolidated Financial Statements, “Goodwill and Other Intangible Assets” in the Company’s Annual Report on 10-K for the year ended December 31, 2010.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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