VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 23.2	$ 53.4	$ 47.7
Charged to Costs and Expenses	8.9	4.3	26.2
Deductions	(7.8)	(34.5)	(20.5)
Balance at End of Period	24.3	23.2	53.4
Allowance for customer returns
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	82.8	95.3	89.9
Charged to Costs and Expenses	112.6	103.0	128.4
Deductions	(131.6)	(115.5)	(123.0)
Balance at End of Period	63.8	82.8	95.3
Deferred tax valuation allowances
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	60.7	41.7	33.4
Charged to Costs and Expenses	100.9	21.7	12.5
Deductions	(10.2)	(2.7)	(4.2)
Balance at End of Period	$ 151.4	$ 60.7	$ 41.7