DERIVATIVE INSTRUMENTS - Amount of Gains and Losses Reclassified from AOCI (Details) - Cash flow hedging - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Foreign exchange forward contracts | Net Revenues
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of gain (loss) reclassified from AOCI into income	$ 1.0	$ 0.6
Foreign exchange forward contracts | Interest expense, net
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of gain (loss) reclassified from AOCI into income	0.0	0.0	$ 0.0
Foreign exchange forward contracts | Cost of sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of gain (loss) reclassified from AOCI into income			0.1
Interest rate swap contracts | Net Revenues
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of gain (loss) reclassified from AOCI into income	0.0	0.0
Interest rate swap contracts | Interest expense, net
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of gain (loss) reclassified from AOCI into income	$ (36.1)	$ (10.8)	12.4
Interest rate swap contracts | Cost of sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of gain (loss) reclassified from AOCI into income			$ 0.0