Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 2)

v2.4.0.6
Stock-Based Compensation (Details 2) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Summary of option activity      
Shares Outstanding, Beginning 5,374,040 4,886,414 4,863,718
Shares, Granted   589,263 149,652
Shares, Exercised (55,208) (99,837) (124,956)
Shares, Forfeited (8,100) (1,800) (2,000)
Shares Outstanding, Ending 5,310,732 5,374,040 4,886,414
Shares, Options exercisable 3,379,804    
Weighted-Average Exercise Price, Outstanding, Beginning $ 8.84 $ 8.34 $ 8.19
Weighted-Average Exercise Price, Granted   $ 12.55 $ 12.45
Weighted-Average Exercise Price, Exercised $ 6.56 $ 6.18 $ 7.59
Weighted-Average Exercise Price, Forfeited $ 9.87 $ 9.00 $ 9.70
Weighted-Average Exercise Price, Outstanding, Ending $ 8.86 $ 8.84 $ 8.34
Weighted-Average Exercise Price, Options exercisable $ 7.68    
Weighted-Average Remaining Contractual Life (Years), Outstanding 6 years 7 months 6 days 6 years 9 months 18 days 6 years 8 months 12 days
Weighted-Average Remaining Contractual Life (Years), Exercisable 5 years 6 months    
Aggregate Intrinsic Value, Outstanding $ 16,192 $ 17,737 $ 20,544
Aggregate Intrinsic Value, Options exercisable $ 13,820