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EARNINGS PER SHARE ("EPS") (Share Repurchase Plan) (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 2 Months Ended
Aug. 01, 2018
Jun. 30, 2018
May 31, 2018
Aug. 01, 2018
Aug. 07, 2018
Feb. 06, 2018
ASR with Citibank            
Accelerated Share Repurchases [Line Items]            
Shares repurchased   $ 80.0 $ 100.0      
Payment to bank   $ 80.0        
Shares repurchased (in shares)   700,000 1,400,000      
Repurchase price (in dollars per share)   $ 95.42 $ 72.51      
Percent of notional amount of ASR   80.00%        
ASR with Citibank | Subsequent Event            
Accelerated Share Repurchases [Line Items]            
Shares repurchased (in shares) 200,000     900,000    
Repurchase price (in dollars per share)       $ 93.83    
Share Repurchase Plan            
Accelerated Share Repurchases [Line Items]            
Share repurchase plan, authorized amount           260,000,000
Share Repurchase Plan | Subsequent Event            
Accelerated Share Repurchases [Line Items]            
Remaining authorized amount         $ 80.0