2.2.0.25falsefalse01060 - Disclosure - Business Combinationtruefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $FROM_Jan01_2010_TO_Dec31_2010http://www.sec.gov/CIK0000911421duration2010-01-01T00:00:002010-12-31T00:00:00SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0EPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0pre_BusinessCombinationsAbstractprefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseBusiness Combinations [Abstract]3false0us-gaap_BusinessCombinationDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse007. Business CombinationOn July 4, 2009, the Company entered into definitive agreements to effect a multi-step acquisition of all the outstanding common shares and warrants of Paris Re, a French-listed, Swiss-based holding company and its operating subsidiaries. In July 2009, the Company purchased approximately 6% of the outstanding Paris Re common shares. On October 2, 2009, the Company closed its block purchase of Paris Re's common shares and warrants which represented, in the aggregate, approximately 77% of the outstanding common shares of Paris Re, resulting in the Company's ownership of Paris Re's common shares increasing to approximately 83%. Subsequent to October 2, 2009, the Company acquired additional common shares of Paris Re and effected a Merger, resulting in the Company obtaining 100% ownership of Paris Re on December 7, 2009. The Company issued its common shares, in exchange for Paris Re common shares and warrants, for all steps of the acquisition.The aggregate purchase price paid by the Company to acquire 100% of the outstanding Paris Re common shares and warrants was $1,979.7 million for total identifiable net assets acquired, at fair value, of $1,953.7 million. The Company recorded goodwill of $26 million related to the acquisition (see Note 8).The Consolidated Statements of Operations and Cash Flows include results of Paris Re for the period from the Acquisition Date. For the period from October 2, 2009 to December 7, 2009, Paris Re had non-controlling interests. Net income attributable to Paris Re's non-controlling interests during this period was $4.3 million, and has been recorded within other income (loss) in the Consolidated Statement of Operations.In April 2010, the Company announced a voluntary termination plan available to certain eligible employees in France and, during 2010, the Company integrated Paris Re into its existing Non-life sub-segments (see Notes 18(c) and 22).7. Business CombinationOn July 4, 2009, the Company entered into definitive agreements to effect a multi-step acquisition of all the outstanding commonfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescription of a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. This element may be used as a single block of text to encapsulate the entire disclosure (including data and tables) regarding business combinations, including leverage buyout transactions (as applicable).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51, 52 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 88-16 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 67-73 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph F4 -Subparagraph e -Appendix F falsefalseBusiness Combination12Business CombinationUnKnownUnKnownUnKnownUnKnownfalsetrue