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SHARE-BASED COMPENSATION PLANS (Narrative) (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock authorized 100,000,000 100,000,000  
2014 Omnibus Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock authorized 2,400,000    
Non Qualfied Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total intrinsic value of stock options exercised $ 10.1 $ 12.7 $ 20.6
Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding 12.0    
Unrecognized compensation cost $ 6.8    
Unrecognized compensation expense, period of recognition 1 year 4 months 1 day    
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding $ 14.0    
Requisite service period 3 years    
Unrecognized compensation cost $ 6.7    
Unrecognized compensation expense, period of recognition 1 year 10 months 10 days    
Employee Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Purchase price percentage of fair market value 85.00%