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COMMITMENTS AND CONTINGENCIES - Narrative (Details) R$ in Millions, $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2021 USD ($) | Mar. 31, 2021 BRL (R$) | Mar. 31, 2021 BRL (R$) | Jun. 30, 2020 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Unrecognized tax benefits, income tax penalties and interest accrued | $ 19.6 |  |  | $ 19.3
Brazilian Tax Assessments | Pending Litigation | Tax Years 2016 and 2017 |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Unrecognized tax benefits, income tax penalties and interest accrued | 66.9 |  | R$ 386.4 |
Brazilian Tax Assessments | Pending Litigation | Tax Years 2017 through 2019 |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Unrecognized tax benefits, income tax penalties and interest accrued | 123.6 |  | R$ 713.9 |
Brazilian Tax Assessments | Pending Litigation | Tax Period February 2016 through December 2017 |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Tax assessments, including estimated interest and penalties | 58.7 | R$ 339.1 |  |
Brazilian Tax Assessments | Pending Litigation | Tax Period February 2016 through 2019 |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Tax assessments, including estimated interest and penalties | $ 32.1 | R$ 185.4 |  |

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