DERIVATIVE INSTRUMENTS - Amount of Gains and Losses Reclassified from AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
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	$ 1.0		$ 1.2
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	$ (1.2)		$ (0.3)
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		$ 0.0		$ 0.0
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		$ 3.9		$ 7.7