Quarterly report pursuant to Section 13 or 15(d)

EQUITY AND EARNINGS PER SHARE - Assumptions for Valuation of Options (Details)

v3.8.0.1
EQUITY AND EARNINGS PER SHARE - Assumptions for Valuation of Options (Details) - Stock options
3 Months Ended
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected Volatility 39.73%
Expected Dividend Yield 0.00%
Risk-Free Rate, lower range 2.16%
Risk-Free Rate, upper range 2.29%
Lower Range  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected Remaining Term 3 years
Upper Range  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected Remaining Term 6 years 7 months 6 days