DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Derivative Financial Instruments (Details) - Cash Flow Hedging - Derivatives designated as hedging instruments  | 
12 Months Ended | 
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Jun. 30, 2021  | |
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| Derivative | |
| Term of contract | 12 months | 
| Maximum | |
| Derivative | |
| Term of contract | 18 months | 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available. 
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