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LONG-TERM DEBT - Additional Information (Details)
3 Months Ended
Oct. 31, 2019
USD ($)
May 30, 2018
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Oct. 30, 2019
USD ($)
Jan. 16, 2014
USD ($)
Debt Instrument [Line Items]              
Long-term debt     $ 3,615,000,000   $ 3,617,500,000    
Revolving credit facility | Line of Credit              
Debt Instrument [Line Items]              
Interest expense     0 $ 3,000,000      
Credit agreement, maximum capacity $ 750,000,000         $ 450,000,000  
Long-term debt     $ 0   0    
Revolving credit facility | Line of Credit | LIBOR | Minimum              
Debt Instrument [Line Items]              
Interest addition to floating rate 1.25%            
Revolving credit facility | Line of Credit | LIBOR | Maximum              
Debt Instrument [Line Items]              
Interest addition to floating rate 1.75%            
Term Loan B              
Debt Instrument [Line Items]              
Debt instrument face amount   $ 1,000,000,000         $ 800,000,000
Proceeds from issuance of debt   $ 1,000,000,000          
Term loan period   7 years          
Term loan quarterly repayment as percentage of principal   0.25%          
Effective interest rate percentage     1.84%        
Leverage ratio, compliance maximum   4          
Leverage ratio     1.4        
Interest expense     $ 4,600,000 $ 4,800,000      
Long-term debt     $ 965,000,000   $ 967,500,000    
Term Loan B | LIBOR              
Debt Instrument [Line Items]              
Interest addition to floating rate   1.75%