XML 78 R66.htm IDEA: XBRL DOCUMENT v3.5.0.2
Stock-Based Compensation - Option Activity (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
 9 Months Ended
Sep. 30, 2016
USD ($)
$ / shares
shares
Number of Options (in 000's)  
Outstanding at beginning of period (in shares) | shares 648
Granted (in shares) | shares 243
Exercised (in shares) | shares (191)
Forfeited/canceled/expired (in shares) | shares 0
Outstanding at end of period (in shares) | shares 700 [1]
Vested and expected to vest at end of period (in shares) | shares 700 [1]
Exercisable at end of period (in shares) | shares 392 [1]
Weighted-Average Exercise Price  
Outstanding at beginning of period (in dollars per share) | $ / shares $ 30.50
Granted (in dollars per share) | $ / shares 49.67
Exercised (in dollars per share) | $ / shares 25.21
Forfeited/canceled/expired (in dollars per share) | $ / shares 0.00
Outstanding at end of period (in dollars per share) | $ / shares 38.60 [1]
Vested and expected to vest at end of period (in dollars per share) | $ / shares 38.60 [1]
Exercisable at end of period (in dollars per share) | $ / shares $ 29.36 [1]
Weighted-Average Remaining Contractual Term (in years)  
Outstanding at end of period 4 years 11 months 12 days [1]
Vested and expected to vest at end of period 4 years 11 months 12 days [1]
Exercisable at end of period 4 years 26 days [1]
Exercised | $ $ 8,065
Outstanding at end of period | $ 25,113 [1]
Vested and expected to vest at end of period | $ 25,105 [1]
Exercisable at end of period | $ $ 17,663 [1]
[1] The aggregate intrinsic value represents the total pre-tax value (the difference between our closing stock price on the last trading day of the third quarter of 2016 and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holders had they all exercised their options on September 30, 2016. This amount will change based on the fair market value of our stock.