DERIVATIVE INSTRUMENTS - Schedule of amount of gains and losses recognized in other comprehensive income (loss) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Net investment hedges	$ 105.8	$ (27.6)	$ 45.6	$ (9.9)
Foreign exchange forward contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	1.7	(1.1)	1.1	0.0
Interest rate swap contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ 0.0	$ (1.1)	$ 0.0	$ (0.1)

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
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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