v2.4.0.6

INCOME TAXES (DETAILS 6) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Line Items]
Income before income taxes	$ 61,538	$ 895,403	$ 539,861
Reconciliation of effective tax rate (% of income before income taxes) [Abstract]
Valuation allowance	(15.50%)	(1.00%)	1.20%
Net tax exempt income	(11.20%)	(0.60%)	(0.90%)
Other	4.30%	(0.30%)	0.30%
Actual tax rate	24.80%	4.30%	7.80%
Bermuda [Member]
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Line Items]
Income before income taxes	10,911	713,100	404,575
Reconciliation of effective tax rate (% of income before income taxes) [Abstract]
Expected tax rate	0.00%	0.00%	0.00%
U.S. [Member]
Reconciliation of effective tax rate (% of income before income taxes) [Abstract]
Foreign taxes at local expected rates	33.20%	5.10%	6.80%
European Tax Authorities [Member]
Reconciliation of effective tax rate (% of income before income taxes) [Abstract]
Foreign taxes at local expected rates	10.70%	1.30%	1.00%
Other Tax Authorities [Member]
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Line Items]
Income before income taxes	$ 50,627	$ 182,303	$ 135,286
Reconciliation of effective tax rate (% of income before income taxes) [Abstract]
Foreign taxes at local expected rates	3.30%	(0.20%)	(0.60%)

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to changes in the valuation allowance for deferred tax assets.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the difference between statutory income tax rates in foreign jurisdictions and the domestic federal statutory income tax rate recorded during the period.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to all other items not otherwise listed in the existing taxonomy.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to income that is exempt from income taxes under enacted tax laws.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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