DERIVATIVE INSTRUMENTS - Gains and Losses Recognized in OCI (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Derivative [Line Items]
Net investment hedges	$ (53.9)	$ 36.3	$ (256.5)
Foreign exchange forward contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(3.7)	(1.0)	(0.3)
Interest rate swap contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	5.4	13.9	1.0
Cross-currency swap contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ 0.0	$ 0.0	$ (25.1)

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

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-Topic 220
-SubTopic 10
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Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

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