DERIVATIVE INSTRUMENTS - Amount of Gains and Losses Reclassified from AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Cost of sales | Foreign exchange forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of Gain (Loss) Recognized in Income on Cash Flow Hedging Relationships	$ (0.2)		$ 1.0
Cost of sales | Interest rate swap contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of Gain (Loss) Recognized in Income on Cash Flow Hedging Relationships	0.0		0.0
Interest expense, net | Foreign exchange forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of Gain (Loss) Recognized in Income on Cash Flow Hedging Relationships	0.0		0.0
Interest expense, net | Interest rate swap contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of Gain (Loss) Recognized in Income on Cash Flow Hedging Relationships	$ (2.8)		$ (3.1)
Cash Flow Hedging | Cost of sales | Foreign exchange forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of Gain (Loss) Recognized in Income on Cash Flow Hedging Relationships		$ 0.1		$ 0.1
Cash Flow Hedging | Cost of sales | Interest rate swap contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of Gain (Loss) Recognized in Income on Cash Flow Hedging Relationships		0.0		0.0
Cash Flow Hedging | Interest expense, net | Foreign exchange forward contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of Gain (Loss) Recognized in Income on Cash Flow Hedging Relationships		0.0		0.0
Cash Flow Hedging | Interest expense, net | Interest rate swap contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of Gain (Loss) Recognized in Income on Cash Flow Hedging Relationships		$ 2.7		$ 10.4