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DEBT - Offering of Senior Unsecured Notes (Details) - Senior Notes
12 Months Ended
Jun. 30, 2021
Apr. 05, 2018
USD ($)
Apr. 05, 2018
EUR (€)
Debt Instrument [Line Items]      
Redemption price, percentage 101.00%    
2026 Dollar Notes      
Debt Instrument [Line Items]      
Amount of debt | $   $ 550,000,000.0  
Stated interest rate   6.50% 6.50%
2023 Euro Notes      
Debt Instrument [Line Items]      
Amount of debt     € 550,000,000
Stated interest rate   4.00% 4.00%
2026 Euro Notes      
Debt Instrument [Line Items]      
Amount of debt     € 250,000,000
Stated interest rate   4.75% 4.75%