DERIVATIVE INSTRUMENTS - Schedule of derivatives not designated as hedging (Details) - Foreign exchange forward contracts - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Selling, general and administrative expenses
Derivative [Line Items]
Gain (loss) recognized in operations	$ (0.7)	$ 0.0	$ (0.3)	$ (0.1)
Interest expense, net
Derivative [Line Items]
Gain (loss) recognized in operations	12.0	(23.1)	(10.8)	(20.4)
Other income (expense), net
Derivative [Line Items]
Gain (loss) recognized in operations	$ (78.5)	$ (17.0)	$ (246.6)	$ (20.6)

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4CC
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration