Annual report pursuant to Section 13 and 15(d)

Capital Stock (Details)

v2.4.0.6
Capital Stock (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Treasury stock      
Beginning Balance, Shares 3,359,859 3,305,418  
Beginning Balance $ 44,725 $ 43,895  
Common stock repurchased, Shares, as a result of restricted stock forfeitures 1,920 2,719  
Noncash stock option exercises, Shares   35,298  
Noncash stock option exercises, Value   531  
Restricted stock withholdings, Shares 25,200 16,424  
Restricted stock withholdings, Cost 494 299  
Restricted stock awards cancelled, Number of Treasury Shares 4,613    
Ending Balance, Shares 3,391,592 3,359,859 3,305,418
Ending Balance 45,219 44,725 43,895
Stock Options      
Number of Options Outstanding Beginning Balance 140,356 1,231,892 6,139,670
Weighted Average Exercise Price Beginning Balance $ 7.63 $ 7.63 $ 7.63
Exercise of stock options, net of stock withholdings (58,190) (1,091,536) (4,907,778)
Weighted Average Exercise Price Exercised $ 7.63 $ 7.63 $ 7.63
Number of Options Outstanding Ending Balance 82,166 140,356 1,231,892
Weighted Average Exercise Price Ending Balance $ 7.63 $ 7.63 $ 7.63
Aggregate Intrinsic Value 892    
Number of Options Vested at December 31 ,2011 82,166 140,356 1,231,892
Weighted average Exercise Price Vested at December 31 ,2011 $ 7.63 $ 7.63 $ 7.63
Aggregate Intrinsic Value Vested options at December 31,2011 892    
Restricted stock      
Shares of Restricted Stock Outstanding, Beginning 1,254,691 764,078 385,666
Weighted Average Grant Date Fair Value Outstanding, Beginning $ 14.60 $ 11.10 $ 13.32
Shares of Restricted Stock Granted 424,436 683,921 472,881
Weighted Average Grant Date Fair Value Granted $ 19.45 $ 17.94 $ 9.69
Shares of Restricted Stock Forfeited (1,920) (2,719) (23,976)
Weighted Average Grant Date Fair Value Forfeited $ 14.34 $ 11.03 $ 11.15
Shares of Restricted Stock Vested (288,204) (190,589) (70,493)
Weighted Average Grant Date Fair Value Vested $ 10.84 $ 12.63 $ 13.77
Shares of Restricted Stock Cancelled (4,613) 0 0
Weighted Average Grant Date Fair Value Cancelled $ 18.35 $ 0.00 $ 0.00
Shares of Restricted Stock Outstanding, Ending 1,384,390 1,254,691 764,078
Weighted Average Grant Date Fair Value Outstanding, Ending $ 16.85 $ 14.60 $ 11.10
at IRR of at least 8.5% [Member]
     
Number of shares vest under restricted stock unit awards      
Number of shares vesting at an IRR level of at least 8.5% 51,239 132,144 101,051
Fair value of shares vesting at an IRR level of at least 8.5% 991 2,423 963
at IRR of at least 10.5% [Member]
     
Number of shares vest under restricted stock unit awards      
Number of shares vesting at an IRR level of at least 10.5% 102,488 264,288 202,117
Fair value of shares vesting at an IRR level of at least 10.5% 1,983 4,847 1,927
at IRR of at least 12.5% [Member]
     
Number of shares vest under restricted stock unit awards      
Number of shares vesting at an IRR level of at least 12.5% 153,727 396,429 303,168
Fair value of shares vesting at an IRR level of at least 12.5% $ 2,975 $ 7,271 $ 2,891