Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 3)

v2.4.0.8
Stock-Based Compensation (Details 3) (Stock Options, USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Options      
Outstanding at the beginning of the period (in shares) 4,594,813 4,693,465 4,637,471
Granted (in shares) 58,500   155,753
Exercised (in shares) (142,106) (95,352) (95,609)
Forfeited (in shares) (533) (3,300) (4,150)
Outstanding at the end of the period (in shares) 4,510,674 4,594,813 4,693,465
Options exercisable (in shares) 4,022,167    
Weighted-Average Exercise Price      
Outstanding at the beginning of the period (in dollars per share) $ 10.17 $ 10.13 $ 9.04
Granted (in dollars per share) $ 45.81   $ 41.84
Exercised (in dollars per share) $ 10.77 $ 8.14 $ 8.77
Forfeited (in dollars per share) $ 9.87 $ 7.80 $ 9.00
Outstanding at the end of the period (in dollars per share) $ 10.62 $ 10.17 $ 10.13
Options exercisable (in dollars per share) $ 8.69    
Weighted-Average Remaining Contractual Life      
Outstanding 4 years 9 months 18 days 5 years 5 years 3 months 18 days
Options exercisable 4 years 4 months 24 days    
Aggregate Intrinsic Value      
Outstanding (in dollars) $ 155,137 $ 178,031 $ 141,293
Options exercisable (in dollars) $ 146,046    
Minimum
      
Additional disclosures      
Exercise prices of stock options outstanding (in dollars per share) $ 0.11    
Maximum
      
Additional disclosures      
Exercise prices of stock options outstanding (in dollars per share) $ 45.81