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OTHER INCOME (EXPENSE), NET - Additional information (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 05, 2020
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Debt Instrument [Line Items]          
Loss on extinguishment of debt   $ 0 $ (17,854,000) $ 0 $ (17,854,000)
Senior Notes 2023 | Senior Notes          
Debt Instrument [Line Items]          
Debt instrument, repurchased face amount $ 800,000,000        
Debt instrument stated interest rate 5.625%        
Loss on extinguishment of debt $ (17,900,000)        
Extinguishment of debt, unamortized debt issuance costs 6,700,000        
Gain (loss) on extinguishment of debt, before write off of debt issuance cost $ (11,200,000)