Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Expense (Details)

v3.4.0.3
Share-Based Compensation - Expense (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Selling, General and Administrative Expenses    
Share-Based Compensation    
Share-based compensation expense $ 1.6 $ 0.8
2015 Plan    
Share-Based Compensation    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 4.0