Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation - PSU awards (Details)

v3.5.0.2
Equity-Based Compensation - PSU awards (Details) - 6 months ended Jun. 30, 2016 - USD ($)
$ / shares in Units, $ in Millions
Total
Total
Performance share unit awards    
Number of units    
Granted (in shares) 790,890  
Forfeited (in shares) (5,589)  
Total awarded and unvested at the end of the period (in shares) 785,301  
Weighted average grant date fair value    
Granted (in dollars per share) $ 29.77  
Forfeited (in dollars per share) 32.97  
Total awarded and unvested at the end of the period (in dollars per share) $ 29.75  
Additional disclosures    
Additional equity compensation to be recognized over the remaining period   $ 20.0
Weighted average period for recognizing unrecognized stock-based compensation expense 2 years 4 months 24 days  
Weighted-average assumptions used to calculate fair value of performance share units granted    
Dividend yield (as a percent) 0.00%  
Volatility (as a percent) 45.00%  
Risk-free interest rate (as a percent) 1.01%  
Weighted average fair value of awards granted (in dollars per share) $ 29.77  
Weighted average fair value of awards (in dollars per share) $ 29.75 $ 29.75
Price target performance share unit awards    
Number of successive days closing stock price must achieve specific thresholds for PSUs to vest per schedule 10 days  
Amortization period of PSU expense 3 years  
Price target performance share unit awards | Vesting before first anniversary    
Number of PSUs that may vest, as a percent 0.00%  
Price target performance share unit awards | Vesting between the first and second anniversaries | Maximum    
Number of PSUs that may vest, as a percent 33.30%  
Price target performance share unit awards | Vesting between the second and third anniversaries | Maximum    
Number of PSUs that may vest, as a percent 66.70%  
TSR performance share unit awards    
Vesting period 3 years  
TSR performance share unit awards | Maximum    
Number of PSUs that may be earned as compared to the number of PSUs granted, as a percent 200.00%  
TSR performance share unit awards | Minimum    
Number of PSUs that may be earned as compared to the number of PSUs granted, as a percent 0.00%