XML 88 R73.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stockholders' Equity - Stock Options Outstanding and Exercisable (Details)
shares in Thousands
12 Months Ended
Dec. 31, 2017
$ / shares
shares
$12.52 - $18.65  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End $ 12.52
Range of Exercise Prices, Low End $ 18.65
Number Outstanding (in thousands) | shares 122
Weighted Average Remaining Contractual Life (in years) 4 years 6 months 4 days
Weighted Average Exercise Price per Share $ 16.11
Number Exercisable (in thousands) | shares 113
Weighted Average Exercise Price per Share $ 16.06
$18.74 - $18.76  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 18.74
Range of Exercise Prices, Low End $ 18.76
Number Outstanding (in thousands) | shares 14
Weighted Average Remaining Contractual Life (in years) 4 years 29 days
Weighted Average Exercise Price per Share $ 18.75
Number Exercisable (in thousands) | shares 14
Weighted Average Exercise Price per Share $ 18.75
$18.84 - $18.84  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 18.84
Range of Exercise Prices, Low End $ 18.84
Number Outstanding (in thousands) | shares 367
Weighted Average Remaining Contractual Life (in years) 5 months 1 day
Weighted Average Exercise Price per Share $ 18.84
Number Exercisable (in thousands) | shares 367
Weighted Average Exercise Price per Share $ 18.84
$18.89 - $19.73  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 18.89
Range of Exercise Prices, Low End $ 19.73
Number Outstanding (in thousands) | shares 149
Weighted Average Remaining Contractual Life (in years) 5 years 4 months 28 days
Weighted Average Exercise Price per Share $ 19.40
Number Exercisable (in thousands) | shares 107
Weighted Average Exercise Price per Share $ 19.40
$20.21 - $22.19  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 20.21
Range of Exercise Prices, Low End $ 22.19
Number Outstanding (in thousands) | shares 143
Weighted Average Remaining Contractual Life (in years) 5 years 22 days
Weighted Average Exercise Price per Share $ 20.96
Number Exercisable (in thousands) | shares 121
Weighted Average Exercise Price per Share $ 20.84
$22.24 - $26.16  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 22.24
Range of Exercise Prices, Low End $ 26.16
Number Outstanding (in thousands) | shares 119
Weighted Average Remaining Contractual Life (in years) 7 years 10 months 21 days
Weighted Average Exercise Price per Share $ 23.25
Number Exercisable (in thousands) | shares 21
Weighted Average Exercise Price per Share $ 25.52
$27.32 - $38.65  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 27.32
Range of Exercise Prices, Low End $ 38.65
Number Outstanding (in thousands) | shares 105
Weighted Average Remaining Contractual Life (in years) 4 years 8 months 19 days
Weighted Average Exercise Price per Share $ 35.44
Number Exercisable (in thousands) | shares 54
Weighted Average Exercise Price per Share $ 35.28
$40.87 - $40.87  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 40.87
Range of Exercise Prices, Low End $ 40.87
Number Outstanding (in thousands) | shares 4
Weighted Average Remaining Contractual Life (in years) 1 month 17 days
Weighted Average Exercise Price per Share $ 40.87
Number Exercisable (in thousands) | shares 4
Weighted Average Exercise Price per Share $ 40.87
$41.15 - $41.15  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 41.15
Range of Exercise Prices, Low End $ 41.15
Number Outstanding (in thousands) | shares 6
Weighted Average Remaining Contractual Life (in years) 1 year 1 month 17 days
Weighted Average Exercise Price per Share $ 41.15
Number Exercisable (in thousands) | shares 6
Weighted Average Exercise Price per Share $ 41.15
$43.77 - $43.77  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 43.77
Range of Exercise Prices, Low End $ 43.77
Number Outstanding (in thousands) | shares 143
Weighted Average Remaining Contractual Life (in years) 2 years 9 months 11 days
Weighted Average Exercise Price per Share $ 43.77
Number Exercisable (in thousands) | shares 143
Weighted Average Exercise Price per Share $ 43.77
$12.52 - $43.77  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, Low End 12.52
Range of Exercise Prices, Low End $ 43.77
Number Outstanding (in thousands) | shares 1,172
Weighted Average Remaining Contractual Life (in years) 3 years 6 months 7 days
Weighted Average Exercise Price per Share $ 24.06
Number Exercisable (in thousands) | shares 950
Weighted Average Exercise Price per Share $ 23.92