RESTRUCTURING COSTS - Narrative (Details) - USD ($) $ in Millions		12 Months Ended					24 Months Ended
	Jul. 01, 2019	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring costs				$ 63.6	$ 130.2	$ 34.2
Transformation Plan
Restructuring Cost and Reserve [Line Items]
Restructuring plan term	4 years			2 years
Restructuring costs				$ 73.2	156.6	0.0	$ 229.8
Cumulative restructuring costs				229.8			229.8
Expected cost remaining				80.0			80.0
Restructuring accrual				122.8	132.6		122.8
Cash expenditures				88.8
Transformation Plan | Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Cash expenditures		$ 42.0	$ 80.8
Other Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring accrual				0.0	14.5		$ 0.0
Restructuring income (expense)				$ (9.6)	$ (26.4)	$ 34.2