XML 99 R82.htm IDEA: XBRL DOCUMENT v3.10.0.1
Equity-Based Compensation - Narrative (Details)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Jun. 30, 2018
shares
May 31, 2015
shares
Dec. 31, 2018
USD ($)
plan
$ / shares
shares
Dec. 31, 2017
USD ($)
$ / shares
Dec. 31, 2016
USD ($)
$ / shares
Nov. 30, 2014
shares
Equity compensation plans            
Number of equity compensation plans | plan     3      
Options granted in period (in dollars per share) | $ / shares     $ 10.76 $ 9.52 $ 10.63  
Options vested in period (shares)     604,886      
Value of options exercised in period | $     $ 0.6 $ 0.4 $ 1.5  
Compensation cost not yet recognized | $     32.7      
Compensation cost not yet recognized, associated with stock options | $     $ 16.2      
RSUs            
Equity compensation plans            
Compensation expense, period for recognition     1 year 9 months 18 days      
RSUs granted (in dollars per share) | $ / shares     $ 22.32 $ 24.18 $ 22.28  
Value of RSUs vested during period | $     $ 12.4 $ 12.3 $ 9.1  
Compensation cost not yet recognized | $     $ 12.6      
Performance Restricted Stock Units (RSUs)            
Equity compensation plans            
Compensation expense, period for recognition     1 year 9 months      
Compensation cost not yet recognized | $     $ 3.9      
Employee and Non Employee Director Stock Option            
Equity compensation plans            
Compensation expense, period for recognition     2 years 8 months      
2000 Equity Plan            
Equity compensation plans            
Remaining number of shares available for future grants     0      
2007 Equity Plan            
Equity compensation plans            
Remaining number of shares available for future grants     2,548,513      
Additional common stock for issuance (shares) 1,043,000          
Shares authorized for issuance     10,537,365      
2007 Equity Plan | Minimum            
Equity compensation plans            
Offering period term     7 years      
2007 Equity Plan | Maximum            
Equity compensation plans            
Offering period term     10 years      
2007 Equity Plan | Performance Restricted Stock Units (RSUs)            
Equity compensation plans            
Award vesting period     3 years      
Compensation expense, period for recognition     3 years      
2013 Lumara Equity Plan            
Equity compensation plans            
Remaining number of shares available for future grants     18,242      
Shares authorized for issuance           200,000
Offering period term     10 years      
2015 ESPP            
Equity compensation plans            
Additional common stock for issuance (shares) 500,000          
Shares authorized for issuance   200,000        
Annual maximum percentage of employee compensation available for ESPP share purchases   10.00%        
Purchase price per share as a percentage of fair market value of common stock on the first or last day of the plan period   85.00%        
Stock offering period   6 months        
Shares issued     259,776      
Inducement Grants | Employee Stock Option            
Equity compensation plans            
Award vesting period     4 years      
Inducement Grants | RSUs            
Equity compensation plans            
Award vesting period     3 years