INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Effective income tax rate	29.20%	23.70%
Increase in income tax expense	$ 19.7
Increase for higher net income including impact of foreign rates	11.6
Increase for change in unrecognized tax benefits	11.9
Increase of Base Erosion and Anti-Abuse Tax (BEAT)	2.9
Decrease of internal reorganizations	8.0
Possible decrease in tax expense in next 12 months	6.9
Provision for deferred income tax liabilities	$ 24.3		$ 24.8