Quarterly report pursuant to Section 13 or 15(d)

Quantitative Information About Level 3 Fair Value Measurements (Detail)

v3.5.0.2
Quantitative Information About Level 3 Fair Value Measurements (Detail) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair value [1] $ 5.4 $ 8.8
Earn Out Liability    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair value $ 4.6  
Valuation Technique Income approach  
Discount rate 19.50%  
Stock Distribution    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair value $ 0.8  
Valuation Technique Monte Carlo simulation  
Volatility 60.00%  
Risk-free interest rate 1.20%  
Dividend yield 0.00%  
[1] Purchase price obligations may be settled, at our option, in either cash or an equivalent amount of common shares based upon their then-current market value, if certain performance criteria had been met.