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LONG-TERM DEBT (Details)
3 Months Ended
Jan. 16, 2018
USD ($)
shares
Jul. 14, 2015
Dec. 31, 2018
USD ($)
Feb. 01, 2018
USD ($)
Debt Instrument [Line Items]        
Stock authorized to repurchase under stock repurchase program (in shares) | shares 25,000,000      
Amount outstanding under credit facility       $ 300,000,000
Senior secured revolving credit facility | Line of credit        
Debt Instrument [Line Items]        
Debt term 5 years      
Credit facility $ 1,000,000,000.0      
Amount outstanding under credit facility     $ 600,000,000  
Commitment fee percentage     0.30%  
Debt default, acceleration clause, required consent percentage   50.00%    
Debt issuance cost, gross     $ 12,200,000  
Unamortized debt issuance costs     7,000,000  
Senior secured revolving credit facility | Line of credit | Prepaid expenses and other current assets        
Debt Instrument [Line Items]        
Unamortized debt issuance costs     1,700,000  
Senior secured revolving credit facility | Line of credit | Other assets        
Debt Instrument [Line Items]        
Unamortized debt issuance costs     $ 5,300,000  
Senior secured revolving credit facility | Line of credit | Maximum        
Debt Instrument [Line Items]        
Leverage ratio   3.50 2.75  
Commitment fee percentage     0.30%  
Senior secured revolving credit facility | Line of credit | Maximum | Foreign Subsidiaries        
Debt Instrument [Line Items]        
Voting stock pledge limit for any foreign subsidiary   65.00%    
Senior secured revolving credit facility | Line of credit | Minimum        
Debt Instrument [Line Items]        
Leverage ratio   1.50 1.50  
Commitment fee percentage     0.15%  
Senior secured revolving credit facility | Line of credit | Federal funds effective rate        
Debt Instrument [Line Items]        
Interest rate in excess of effective rate   0.50%    
Senior secured revolving credit facility | Line of credit | LIBOR        
Debt Instrument [Line Items]        
Interest rate in excess of effective rate   1.00%    
Senior secured revolving credit facility | Line of credit | LIBOR | LIBOR loans        
Debt Instrument [Line Items]        
Interest rate in excess of effective rate   1.75%    
Senior secured revolving credit facility | Line of credit | LIBOR | LIBOR loans | Maximum        
Debt Instrument [Line Items]        
Interest rate in excess of effective rate   2.00%    
Senior secured revolving credit facility | Line of credit | LIBOR | LIBOR loans | Minimum        
Debt Instrument [Line Items]        
Interest rate in excess of effective rate   1.00%    
Senior secured revolving credit facility | Line of credit | Base rate | Base rate loans        
Debt Instrument [Line Items]        
Interest rate in excess of effective rate   0.75%    
Senior secured revolving credit facility | Line of credit | Base rate | Base rate loans | Maximum        
Debt Instrument [Line Items]        
Interest rate in excess of effective rate   1.00%    
Senior secured revolving credit facility | Line of credit | Base rate | Base rate loans | Minimum        
Debt Instrument [Line Items]        
Interest rate in excess of effective rate   0.00%    
Letter of credit sub-facility | Line of credit        
Debt Instrument [Line Items]        
Credit facility $ 75,000,000.0