v2.4.0.6
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $)
In Thousands, unless otherwise specified
Total
Preferred shares - Series A and B
Common shares (par value) [Member]
Additional paid-in capital [Member]
Unrealized appreciation (depreciation) on available for sale investments, net of tax: [Member]
Cumulative foreign currency translation adjustments, net of tax: [Member]
Supplemental Executive Retirement Plans (SERPs): [Member]
Accumulated other comprehensive income [Member]
Retained earnings [Member]
Treasury shares, at cost [Member]
Balance at beginning of period (Cumulative effect of change in accounting principle, net of tax [Member]) (FSP FAS 115-2 and FAS 124-2 [Member])         $ (38,334)       $ 38,334  
Balance at beginning of period at Dec. 31, 2008   500,000 1,878 1,962,779 (702,548) 0 (3,951) (706,499) 3,198,492 (495,609)
Increase (Decrease) in Shareholders' Equity [Roll Forward]                    
Shares issued     25 537            
Stock options exercised       3,282            
Share-based compensation expense       48,217            
Unrealized gains (losses) arising during the period, net of reclassification adjustment         829,892          
Non-credit portion of OTTI losses (1,572)       (1,572)          
Foreign currency translation adjustment 803         803        
Net change in benefit plan assets and obligations recognized in equity 1,343           1,343      
Net income 497,886               497,886  
Series A and B preferred share dividends                 (36,875)  
Common share dividends                 (128,426)  
Shares repurchased for treasury                   (175,909)
Balance at end of period at Dec. 31, 2009 5,500,244 500,000 1,903 2,014,815 87,438 803 (2,608) 85,633 3,569,411 (671,518)
Increase (Decrease) in Shareholders' Equity [Roll Forward]                    
Shares issued     31 635            
Stock options exercised       7,563            
Share-based compensation expense       36,695            
Unrealized gains (losses) arising during the period, net of reclassification adjustment         75,648          
Non-credit portion of OTTI losses (1,284)       (1,284)          
Foreign currency translation adjustment 16,026         16,026        
Net change in benefit plan assets and obligations recognized in equity 798           798      
Net income 856,723               856,723  
Series A and B preferred share dividends                 (36,875)  
Common share dividends                 (121,651)  
Shares repurchased for treasury                   (709,583)
Balance at end of period at Dec. 31, 2010 5,624,970 500,000 1,934 2,059,708 161,802 16,829 (1,810) 176,821 4,267,608 (1,381,101)
Increase (Decrease) in Shareholders' Equity [Roll Forward]                    
Shares issued     191 1,769            
Stock options exercised       4,775            
Share-based compensation expense       39,134            
Unrealized gains (losses) arising during the period, net of reclassification adjustment         (45,251)          
Non-credit portion of OTTI losses (455)       (455)          
Foreign currency translation adjustment (3,045)         (3,045)        
Net change in benefit plan assets and obligations recognized in equity 92           92      
Net income 46,305               46,305  
Series A and B preferred share dividends                 (36,875)  
Common share dividends                 (121,646)  
Shares repurchased for treasury                   (65,885)
Balance at end of period at Dec. 31, 2011 $ 5,444,079 $ 500,000 $ 2,125 $ 2,105,386 $ 116,096 $ 13,784 $ (1,718) $ 128,162 $ 4,155,392 $ (1,446,986)