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SHARE-BASED COMPENSATION PLANS (Narrative) (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
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 $ 30.2 $ 43.2 $ 36.8
Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost $ 4.7    
Unrecognized compensation expense, period of recognition 1 year 7 months 30 days    
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Requisite service period 3 years    
Unrecognized compensation cost $ 5.9    
Unrecognized compensation expense, period of recognition 1 year 8 months 15 days    
Employee Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Purchase price percentage of fair market value 85.00%