XML 91 R76.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock-Based Compensation Plans - Schedule of Exercise Price Ranges (Details) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding (in shares) 4,434 4,761 4,060 4,046
Options Outstanding - Weighted-Average Life 5 years 8 months 12 days      
Outstanding outstanding (in USD per share) $ 8.57 $ 8.40 $ 8.37 $ 8.35
Options vested (in shares) 2,505 2,500 2,500  
Options vested (in USD per share) $ 8.62      
$0.00 - $4.36        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding (in shares) 64      
Options Outstanding - Weighted-Average Life 1 year 3 months 14 days      
Outstanding outstanding (in USD per share) $ 3.11      
Options vested (in shares) 64      
Options vested (in USD per share) $ 3.11      
Exercise price, minimum (USD per share) 0.00      
Exercise price, maximum (USD per share) $ 4.36      
$4.37 - $7.95        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding (in shares) 2,189      
Options Outstanding - Weighted-Average Life 5 years 2 months 23 days      
Outstanding outstanding (in USD per share) $ 6.68      
Options vested (in shares) 1,320      
Options vested (in USD per share) $ 6.43      
Exercise price, minimum (USD per share) 4.37      
Exercise price, maximum (USD per share) $ 7.95      
$7.96 - $11.97        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding (in shares) 1,613      
Options Outstanding - Weighted-Average Life 7 years 6 months      
Outstanding outstanding (in USD per share) $ 9.55      
Options vested (in shares) 552      
Options vested (in USD per share) $ 9.32      
Exercise price, minimum (USD per share) 7.96      
Exercise price, maximum (USD per share) $ 11.97      
$11.98 - $15.05        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding (in shares) 568      
Options Outstanding - Weighted-Average Life 2 years 11 months 8 days      
Outstanding outstanding (in USD per share) $ 13.65      
Options vested (in shares) 568      
Options vested (in USD per share) $ 13.65      
Exercise price, minimum (USD per share) 11.98      
Exercise price, maximum (USD per share) $ 15.05