DERIVATIVE INSTRUMENTS - Gains and Losses Recognized in OCI (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Derivative [Line Items]
Net investment hedges	$ 22.1	$ (16.2)	$ 12.2	$ (52.9)
Foreign exchange forward contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	0.4	(3.1)	0.4	(1.8)
Interest rate swap contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ 0.0	$ (0.1)	$ (0.1)	$ 1.7

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
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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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