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Employee and Non-Employee Director Stock and Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2013
Employee and Non-Employee Director Stock and Benefit Plans  
Schedule of changes in stock options
Options Outstanding
  Number of
Shares
  Weighted
Average
Exercise Price
 

Outstanding at December 31, 2010

    566,963   $ 32.30  

Granted

    252,464     17.16  

Exercised

    (111,792 )   1.91  

Forfeited

    (180,665 )   44.62  
             

Outstanding at December 31, 2011

    526,970     27.27  

Granted

         

Exercised

         

Forfeited

    (15,995 )   43.15  
             

Outstanding at December 31, 2012

    510,975     26.77  

Granted

         

Exercised

         

Forfeited

    (167,649 )   46.18  
             

Outstanding at December 31, 2013

    343,326   $ 17.29  
             
             

Amount exercisable at December 31,

             

2013

    262,017   $ 17.28  

2012

    319,793     32.53  

2011

    221,344     41.18  
Schedule of stock options outstanding and exercisable by exercise price

 

 
  Options Outstanding   Options Exercisable  
Range of Exercise Prices
  Number
Outstanding
  Weighted
Average
Remaining
Contractual
Life (Years)
  Weighted
Average
Exercise
Price
  Number
Exercisable
  Weighted
Average
Exercise
Price
 

$12.17  - 17.44

    128,348     0.70   $ 14.68     111,284   $ 15.07  

17.45  - 18.71

    192,733     2.89     18.71     128,488     18.71  

18.72  - 20.09

    22,245     0.03     20.09     22,245     20.09  
                             

 

    343,326     3.62   $ 17.29     262,017   $ 17.28  
                             
                             
Schedule of information about stock options
($ in thousands, except per share amounts)
  2013   2012   2011  

Total intrinsic value of stock options exercised

          $ 1,978  

Weighted average grant date fair value of stock options granted during period, per share

            6.44  

Cash received from stock option exercises

            0.2  
Schedule of status of restricted share awards

  Number of Shares
underlying
Performance-Based
or Market-Based
Restricted
Stock Units
  Number of Shares
underlying Time-
Based Restricted
Stock Units
  Total Number of
Shares
  Weighted
Average
Grant Date
Fair Value
 

Outstanding at December 31, 2010

    982,881     1,952,442     2,935,323     19.44  

Granted

    128,208     1,214,964     1,343,172     16.65  

Vested

    (66,271 )   (776,782 )   (843,053 )   23.29  

Forfeited

    (252,760 )   (127,378 )   (380,138 )   16.71  
                     

Outstanding at December 31, 2011

    792,058     2,263,246     3,055,304     17.49  

Granted

    216,740     1,176,006     1,392,746     10.63  

Vested

    (86,769 )   (963,991 )   (1,050,760 )   17.99  

Forfeited

    (244,198 )   (91,757 )   (335,955 )   26.10  
                     

Outstanding at December 31, 2012

    677,831     2,383,504     3,061,335     13.25  

Granted

    91,932     931,879     1,023,811     12.00  

Vested

    (64,865 )   (1,138,277 )   (1,203,142 )   14.47  

Forfeited

    (246,155 )   (197,622 )   (443,777 )   12.20  
                     

Outstanding at December 31, 2013

    458,743     1,979,484     2,438,227   $ 12.31  
                     
                     
Schedule of status of phantom share awards

  Number of
Shares
  Weighted
Average
Grant Date
Fair Value
 

Outstanding at December 31, 2010

    259,370     18.51  

Granted

    205,760     18.67  

Vested

    (67,383 )   19.21  

Forfeited

         
             

Outstanding at December 31, 2011

    397,747     18.47  

Granted

    447,353     11.33  

Vested

    (135,049 )   19.46  

Forfeited

    (14,341 )   17.21  
             

Outstanding at December 31, 2012

    695,710     13.72  

Granted

    249,365     12.01  

Vested

    (245,296 )   14.52  

Forfeited

    (28,017 )   14.92  
             

Outstanding at December 31, 2013

    671,762   $ 12.74  
             
             
Schedule of activity under the SUA Subplan

  Number of
Shares
  Weighted
Average
Grant Date
Fair Value
 

Outstanding at December 31, 2010

    364,167     29.82  

Granted

         

Vested

    (288,917 )   28.98  

Forfeited

    (3,670 )   15.40  
             

Outstanding at December 31, 2011

    71,580     33.95  

Granted

         

Vested

    (71,580 )   33.95  

Forfeited

         
             

Outstanding at December 31, 2012

         

Granted

         

Vested

         

Forfeited

         
             

Outstanding at December 31, 2013

      $