RESTRUCTURING COSTS - Restructuring Costs by Type (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ (2.9)	$ (4.1)	$ (4.1)	$ 8.3
Transformation Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs	(2.9)	$ (4.1)	(4.1)	$ 8.3	$ (6.5)	$ 73.2	$ 156.6
Cumulative through December 31, 2022	219.2		219.2
Cumulative through December 31, 2022	(219.2)		(219.2)
Transformation Plan | Severance and Employee Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring costs			(4.1)		(6.2)	73.4	151.2
Cumulative through December 31, 2022	214.3		214.3
Cumulative through December 31, 2022	(214.3)		(214.3)
Transformation Plan | Fixed Asset Write-offs
Restructuring Cost and Reserve [Line Items]
Restructuring costs			0.0		0.0	(0.5)	(1.1)
Cumulative through December 31, 2022	1.6		1.6
Cumulative through December 31, 2022	(1.6)		(1.6)
Transformation Plan | Other Exit Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs			0.0		$ (0.3)	$ 0.3	$ 6.5
Cumulative through December 31, 2022	6.5		6.5
Cumulative through December 31, 2022	$ (6.5)		$ (6.5)