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
Mar. 31, 2013
Summary of option activity  
Shares Outstanding, Beginning 5,277,412
Shares, Granted 190,413
Shares, Exercised (9,050)
Shares, Forfeited (8,050)
Shares Outstanding, Ending 5,450,725
Shares, Options exercisable 3,559,668
Weighted-Average Exercise Price, Outstanding, Beginning $ 8.86
Weighted-Average Exercise Price, Granted $ 15.34
Weighted-Average Exercise Price, Exercised $ 6.24
Weighted-Average Exercise Price, Forfeited $ 11.91
Weighted-Average Exercise Price, Outstanding, Ending $ 9.08
Weighted-Average Exercise Price, Options exercisable $ 7.96
Weighted-Average Remaining Contractual Life (Years), Outstanding 6 years 2 months 12 days
Weighted-Average Remaining Contractual Life (Years), Options exercisable 5 years 2 months 12 days
Aggregate Intrinsic Value, Outstanding $ 45,939
Aggregate Intrinsic Value, Options exercisable $ 33,985