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DEBT - Credit Facility (Narrative) (Details)
3 Months Ended
Jun. 04, 2015
USD ($)
Sep. 30, 2016
USD ($)
quarter
Jun. 30, 2016
USD ($)
Credit Facility      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity $ 750,000,000.0    
Additional borrowing capacity $ 250,000,000.0    
Commitment fee, as a percent   0.125%  
Maximum leverage ratio 3.00    
Number of quarters | quarter   4  
Minimum interest coverage ratio 3.00    
Indebtedness or guarantee threshold $ 30,000,000.0    
Judgment default threshold $ 30,000,000.0    
Outstanding borrowings under credit facility   $ 0 $ 0
Amount available under credit commitments   $ 25,000,000  
Credit Facility | Minimum      
Line of Credit Facility [Line Items]      
Line of credit, commitment fee, as a percent 0.125%    
Credit Facility | Maximum      
Line of Credit Facility [Line Items]      
Line of credit, commitment fee, as a percent 0.25%    
Standby Letters of Credit      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity $ 25,000,000.0    
Swingline Loans      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity $ 75,000,000.0    
Base Rate Loans | Credit Facility | Federal Funds Effective Rate      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 0.50%    
Base Rate Loans | Credit Facility | LIBOR      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 1.00%    
Base Rate Loans | Credit Facility | Applicable Margin | Minimum      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 0.125%    
Base Rate Loans | Credit Facility | Applicable Margin | Maximum      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 0.75%    
Base Rate Loans | Credit Facility | Three-month Eurodollar      
Line of Credit Facility [Line Items]      
Interest rate   3.625%  
Eurodollar Loans | Credit Facility | Applicable Margin | Minimum      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 1.125%    
Eurodollar Loans | Credit Facility | Applicable Margin | Maximum      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 1.75%    
Eurodollar Loans | Credit Facility | Three-month Eurodollar      
Line of Credit Facility [Line Items]      
Interest rate   1.979%