Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Income Taxes (Schedule Of Global Tax Activities) (Details)

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Income Taxes (Schedule Of Global Tax Activities) (Details) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Dec. 31, 2007
Income Tax Disclosure [Line Items]          
Pre-tax income (loss) $ 197,696,000 $ 181,576,000 $ 148,270,000    
Tax variance as a result of global activities (43,625,000) [1],[2] (50,600,000) [1],[2] (51,878,000) [1],[2]    
Income arising from non taxable items 32,355,000 76,650,000 55,340,000    
Income from continuing operations before income tax 230,051,000 258,226,000 [3],[4],[5],[6] 203,610,000 [3],[4] 138,643,000 191,214,000
The Netherlands [Member]
         
Income Tax Disclosure [Line Items]          
Pre-tax income (loss) (33,149,000) (82,943,000) (120,135,000)    
Local statutory tax rate 25.00% [7] 25.00% [7] 25.50% [7]    
Variance to Dutch statutory tax rate of 25.5%     0.00%    
Variance to Dutch statutory tax rate of 25.0% 0.00% 0.00%      
Tax variance as a result of global activities    [2]    [2]    [2]    
Ireland [Member]
         
Income Tax Disclosure [Line Items]          
Pre-tax income (loss) 91,973,000 147,291,000 162,520,000    
Local statutory tax rate 12.50% [7] 12.50% [7] 12.50% [7]    
Variance to Dutch statutory tax rate of 25.5%     (13.00%)    
Variance to Dutch statutory tax rate of 25.0% (12.50%) (12.50%)      
Tax variance as a result of global activities (11,497,000) [2] (18,411,000) [2] (21,128,000) [2]    
United States Of America [Member]
         
Income Tax Disclosure [Line Items]          
Pre-tax income (loss) 5,204,000 (7,676,000) (10,519,000)    
Local statutory tax rate 37.60% [7] 37.60% [7] 37.30% [7]    
Variance to Dutch statutory tax rate of 25.5%     11.80%    
Variance to Dutch statutory tax rate of 25.0% 12.60% 12.60%      
Tax variance as a result of global activities 656,000 [2] (967,000) [2] (1,241,000) [2]    
Sweden [Member]
         
Income Tax Disclosure [Line Items]          
Pre-tax income (loss) 3,384,000 26,000 912,000    
Local statutory tax rate 18.70% [7] 18.70% [7] 19.00% [7]    
Variance to Dutch statutory tax rate of 25.5%     (6.50%)    
Variance to Dutch statutory tax rate of 25.0% (6.30%) (6.30%)      
Tax variance as a result of global activities (213,000) [2] (2,000) [2] (59,000) [2]    
Isle Of Man [Member]
         
Income Tax Disclosure [Line Items]          
Pre-tax income (loss) 130,284,000 124,878,000 115,492,000    
Local statutory tax rate 0.00% [7] 0.00% [7] 0.00% [7]    
Variance to Dutch statutory tax rate of 25.5%     (25.50%)    
Variance to Dutch statutory tax rate of 25.0% (25.00%) (25.00%)      
Tax variance as a result of global activities $ (32,571,000) [2] $ (31,220,000) [2] $ (29,450,000) [2]    
[1] The following tables summarizes our global tax activities into each specific tax jurisdiction for each of the years presented:
[2] The tax variance as a result of global activities is mainly caused by our operations in countries with a lower statutory tax rate than the statutory tax rate in The Netherlands.
[3] As a result of the sale of AeroTurbine and based on ASC 205-20, which governs financials statements for discontinued operations, the results of AeroTurbine have been reclassified to discontinued operations.
[4] Certain reclassifications have been made to prior years' Consolidated Income Statements to reflect the current year presentation.
[5] Includes the results of Genesis for the period from March 25, 2010 (date of acquisition) to December 31, 2010.
[6] Includes the results of Genesis Lease Limited ("Genesis") for the period from March 25, 2010 (date of acquisition) to December 31, 2010 and the issue of shares to Genesis and Waha Capital PJSC ("Waha").
[7] The local statutory income tax expense for our significant tax jurisdictions (The Netherlands, Ireland and Isle of Man) does not differ from the actual income tax expense.