LEGAL AND OTHER CONTINGENCIES - Brazilian Tax Assessments (Details) R$ in Millions, $ in Millions	Jun. 30, 2021 USD ($)	Jun. 30, 2021 BRL (R$)	Jun. 30, 2020 USD ($)
Loss Contingencies [Line Items]
Unrecognized tax benefits, income tax penalties and interest accrued	$ 21.7		$ 19.3
Pending Litigation | Brazilian Tax Assessments | 2016 - 2017 | Foreign State Tax Authority
Loss Contingencies [Line Items]
Unrecognized tax benefits, income tax penalties and interest accrued	73.0	R$ 361.7
Pending Litigation | Brazilian Tax Assessments | 2016 - 2017 | Foreign Federal Tax Authority
Loss Contingencies [Line Items]
Unrecognized tax benefits, income tax penalties and interest accrued	68.8	341.1
Pending Litigation | Brazilian Tax Assessments | 2017 - 2019 | Foreign State Tax Authority
Loss Contingencies [Line Items]
Unrecognized tax benefits, income tax penalties and interest accrued	133.8	663.2
Pending Litigation | Brazilian Tax Assessments | 2016 - 2019 | Foreign State Tax Authority
Loss Contingencies [Line Items]
Unrecognized tax benefits, income tax penalties and interest accrued	37.6	186.4
Pending Litigation | Brazilian Tax Assessments | 2016 - 2020 | Foreign State Tax Authority
Loss Contingencies [Line Items]
Unrecognized tax benefits, income tax penalties and interest accrued	$ 15.3	R$ 76.0