Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation and Employee Benefit Plans (Details 2)

v2.4.0.8
Share-Based Compensation and Employee Benefit Plans (Details 2) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Stock Options        
Exercised (in shares) (39,331) (61,624) (191,264)  
Aggregate Intrinsic Value        
Increase (decrease) in tax benefit from share-based compensation $ (122,000) $ 43,000 $ 47,000  
Options
        
Stock Options        
Outstanding at the beginning of the period (in shares) 798,210 945,422 1,188,284  
Forfeited/Expired (in shares) (117,952) (85,588) (51,598)  
Exercised (in shares) (39,331) (61,624) (191,264)  
Outstanding at the end of the period (in shares) 640,927 798,210 945,422 1,188,284
Exercisable at the end of the period (in shares) 640,927 [1] 798,210 [2] 945,422 [3]  
Exercise price range, options outstanding, low end of range (in dollars per share) $ 19.63 $ 13.60 $ 13.40 $ 9.54
Exercise price range, options outstanding, high end of range (in dollars per share) $ 56.00 $ 57.00 $ 57.00 $ 57.00
Weighted Average Exercise Price per Share        
Outstanding at the beginning of the period (in dollars per share) $ 37.62 $ 36.63 $ 33.07  
Forfeited/Expired (in dollars per share) $ 40.91 $ 42.98 $ 42.82  
Exercised (in dollars per share) $ 19.67 $ 15.08 $ 12.82  
Outstanding at the end of the period (in dollars per share) $ 38.11 $ 37.62 $ 36.63 $ 33.07
Exercisable at the end of the period (in dollars per share) $ 38.11 [1] $ 37.62 [2] $ 36.63 [3]  
Weighted Average Remaining Contractual Term        
Weighted average remaining contractual term 2 years 3 years 4 years 5 years
Aggregate Intrinsic Value        
Balance outstanding 68,000 325,000 510,000 7,987,000
Aggregate intrinsic value of options exercised 258,000 553,000 4,000,000  
Options | Range of Exercise Price One | Vested
        
Stock Options        
Exercisable at the end of the period (in shares) 171,288 9,500 53,957  
Exercise price range, options outstanding, low end of range (in dollars per share) $ 19.63 $ 13.60 $ 13.40  
Exercise price range, options outstanding, high end of range (in dollars per share) $ 30.04 $ 16.73 $ 16.73  
Options | Range of Exercise Price Two | Vested
        
Stock Options        
Exercisable at the end of the period (in shares) 145,187 204,736 225,903  
Exercise price range, options outstanding, low end of range (in dollars per share) $ 30.05 $ 16.74 $ 16.74  
Exercise price range, options outstanding, high end of range (in dollars per share) $ 41.28 $ 30.04 $ 30.04  
Options | Range of Exercise Price Three | Vested
        
Stock Options        
Exercisable at the end of the period (in shares) 160,402 180,962 198,762  
Exercise price range, options outstanding, low end of range (in dollars per share) $ 41.29 $ 30.05 $ 30.05  
Exercise price range, options outstanding, high end of range (in dollars per share) $ 42.74 $ 41.28 $ 41.28  
Options | Range of Exercise Price Four | Vested
        
Stock Options        
Exercisable at the end of the period (in shares) 164,050 403,012 466,800  
Exercise price range, options outstanding, low end of range (in dollars per share) $ 42.75 $ 41.29 $ 41.29  
Exercise price range, options outstanding, high end of range (in dollars per share) $ 56.00 $ 57.00 $ 57.00  
Performance share units
        
Aggregate Intrinsic Value        
Estimated pre-vesting forfeitures (as a percent) 0.00% 0.00% 0.00%  
Unrecognized compensation cost 2,100,000      
Expected weighted average period during which unrecognized compensation cost will be recognized 2 years      
Restricted shares
        
Aggregate Intrinsic Value        
Unrecognized compensation cost $ 6,100,000      
Expected weighted average period during which unrecognized compensation cost will be recognized 2 years      
Minimum | Options
        
Stock Options        
Exercise price range, options forfeited (in dollars per share) $ 18.08 $ 25.52 $ 22.49  
Exercise price range, options exercised (in dollars per share) $ 13.60 $ 13.40 $ 9.54  
Minimum | Restricted shares
        
Aggregate Intrinsic Value        
Estimated pre-vesting forfeitures (as a percent) 0.00% 0.00% 0.00%  
Maximum | Options
        
Stock Options        
Exercise price range, options forfeited (in dollars per share) $ 51.62 $ 57.00 $ 50.59  
Exercise price range, options exercised (in dollars per share) $ 26.24 $ 22.49 $ 30.25  
Maximum | Restricted shares
        
Aggregate Intrinsic Value        
Estimated pre-vesting forfeitures (as a percent) 5.00% 5.00% 4.00%  
[1] 171,288 of these options had an exercise price ranging from $19.63 to $30.04; 145,187 had an exercise price ranging from$30.05 to $41.28; 160,402 had an exercise price ranging from $41.29 to $42.74; and 164,050 had an exercise price ranging from $42.75 to $56.00.
[2] 9,500 of these options had an exercise price ranging from $13.60 to $16.73; 204,736 had an exercise price ranging from $16.74 to $30.04; 180,962 had an exercise price ranging from $30.05 to $41.28; and 403,012 had an exercise price ranging from $41.29 to $57.00.
[3] 53,957 of these options had an exercise price ranging from $13.40 to $16.73; 225,903 had an exercise price ranging from $16.74 to $30.04; 198,762 had an exercise price ranging from $30.05 to $41.28; and 466,800 had an exercise price ranging from $41.29 to $57.00.