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Consolidated statements of changes in stockholders' equity and redeemable noncontrolling interest (USD $)
In Thousands
Total
Common stock
Additional paid-in capital in excess of assigned value of common stock
Capital reserves
Retained earnings
Accumulated other comprehensive income (loss)
Treasury stock
Redeemable noncontrolling interest
Beginning Balance at Dec. 31, 2008 $ 574,324 $ 279,980 $ 135,577 $ 95,210 $ 268,435 $ (72,115) $ (132,763)  
Beginning Balance at Dec. 31, 2008               4,689
Net income (loss)               1,118
Net income (loss) 54,862       54,862      
Redeemable noncontrolling interest - subscriptions               32,090
Redeemable noncontrolling interest - redemptions               (2,997)
Other comprehensive income (loss) 65,955         65,955    
Compensation cost - stock options and stock units plans 1,596   1,596          
Issuance of restricted stock     (905)       905  
Exercised options and stock units vested 808   (1,448)       2,256  
Dividends declared (21,908)       (21,908)      
Ending Balance at Dec. 31, 2009 675,637 279,980 134,820 95,210 301,389 (6,160) (129,602)  
Ending Balance at Dec. 31, 2009               34,900
Net income (loss)               (2,423)
Net income (loss) 42,244       42,244      
Redeemable noncontrolling interest - subscriptions               9,900
Redeemable noncontrolling interest - redemptions               (23,427)
Other comprehensive income (loss) (281)         (281)    
Compensation cost - stock options and stock units plans 2,099   2,099          
Issuance of restricted stock     (909)       909  
Exercised options and stock units vested 834   (2,195)       3,029  
Repurchase of common stock "Class E" (3)           (3)  
Dividends declared (23,480)       (23,480)      
Ending Balance at Dec. 31, 2010 697,050 279,980 133,815 95,210 320,153 (6,441) (125,667)  
Ending Balance at Dec. 31, 2010 18,950             18,950
Net income (loss)               676
Net income (loss) 83,180       83,180      
Redeemable noncontrolling interest - subscriptions               531
Redeemable noncontrolling interest - redemptions               (14,610)
Other comprehensive income (loss) 3,329         3,329    
Compensation cost - stock options and stock units plans 2,311   2,311          
Issuance of restricted stock     (609)       609  
Exercised options and stock units vested 4,101   (5,340)       9,441  
Dividends declared (30,689)       (30,689)      
Ending Balance at Dec. 31, 2011 759,282 279,980 130,177 95,210 372,644 (3,112) (115,617)  
Ending Balance at Dec. 31, 2011 $ 5,547             $ 5,547