INCOME TAXES - Reconciliation of Federal Statutory Tax Rate to Effective Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Income Tax Disclosure [Abstract]
Income (loss) from continuing operations before income taxes	$ 204.5	$ 704.8	$ 426.8
Provision for income taxes at statutory rate	42.9	148.0	89.6
State and local taxes—net of federal benefit	(15.9)	2.8	(14.9)
Foreign tax differentials	20.9	(10.1)	(16.4)
Change in valuation allowances	38.9	10.2	(2.3)
Change in unrecognized tax benefit	(15.5)	32.5	(10.6)
Permanent differences—net	7.6	(4.9)	25.4
Non-deductible executive stock compensation	19.7	27.7	37.1
Currency Loss	(22.5)	(13.6)	(0.2)
Dispositions of business assets	0.0	0.0	12.7
Russia exit	0.0	(7.0)	24.1
Principal relocation revaluation	27.6	0.0	0.0
Nondeductible Interest Expense	12.1	0.0	0.0
Swiss Tax Credits-net of valuation allowance	(37.8)	0.0	0.0
Tax Rate Change Deferred Tax Liability Revaluation	24.2	0.0	0.0
Other	(7.1)	(4.0)	20.3
Provision for income taxes on continuing operations	$ 95.1	$ 181.6	$ 164.8
Effective income tax rate	46.50%	25.80%	38.60%