XML 77 R65.htm IDEA: XBRL DOCUMENT v3.5.0.2
LONG-TERM INCENTIVE EMPLOYEE COMPENSATION - Additional Information (Detail) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date 10 years    
Stock options exercised   0.4 0.3
Proceeds from the exercise of stock options   $ 8.8 $ 5.5
Restricted stock vested during period   0.3 0.3
Equity Based Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost not yet recognized $ 23.3 $ 23.3  
Unrecognized compensation cost weighted-average period   2 years  
Liability Based Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost not yet recognized $ 2.6 $ 2.6  
Unrecognized compensation cost weighted-average period   1 year 11 months 20 days  
Performance Stock Unit [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock vested during period   0.2