Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Details)

v2.4.0.8
Stock Based Compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Options      
Options outstanding at beginning of year (shares) 609,585 897,767 1,332,767
Granted (shares) 0 0 0
Exercised (shares) (347,370) (282,082) (171,800)
Cancelled (shares) (3,400) (6,100) (263,200)
Outstanding at end of year (shares) 258,815 609,585 897,767
Weighted Average Exercise Price      
Options outstanding at beginning of year (shares) $ 27.44 $ 23.56 $ 23.80
Exercised (shares) $ 33.40 $ 15.12 $ 15.21
Cancelled (shares) $ 14.00 $ 25.73 $ 30.24
Outstanding at end of year (shares) $ 19.63 $ 27.44 $ 23.56
Options outstanding at end of year, additional disclosures      
Weighted Average Remaining Contractual Life 1 year 4 months 7 days    
Aggregate Intrinsic Value $ 7,340    
Vested and expected to vest at end of year      
Vested and expected to vest at end of year (shares) 258,815    
Weighted Average Exercise Price (shares) $ 19.63    
Weighted Average Remaining Contractual Life 1 year 4 months 7 days    
Aggregate Intrinsic Value 7,340    
Exercisable at end of year      
Options (shares) 225,415 471,760 550,359
Weighted Average Exercise Price (shares) $ 20.36 $ 30.93 $ 26.29
Weighted Average Remaining Contractual Life 1 year 2 months 19 days    
Aggregate Intrinsic Value $ 6,229    
Price range of options exercised - lower range limit $ 8.06 $ 8.06 $ 8.06
Price range of options exercised - upper range limit $ 44.44 $ 34.30 $ 21.10
Price range of options outstanding - lower range limit $ 11.48 $ 8.06 $ 8.06
Price range of options outstanding - upper range limit $ 42.82 $ 44.44 $ 44.44
Total shares reserved for existing or future grants at end of year 2,283,114