INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022
Income Tax Disclosure [Abstract]
Effective income tax rate	16.40%	30.80%	37.30%	27.30%
Effective canadian statutory income tax rate	26.50%		26.50%
Unrecognized tax benefits	$ 66.6		$ 66.6		$ 54.1
Interest and penalties accrued	9.1		9.1		8.4
Possible decrease in tax expense in next 12 months	6.5		6.5
Provision for deferred income tax liabilities	$ 21.8		$ 21.8		$ 19.9