DEBT - Schedule of Debt Redemption (Details) - Senior Notes		12 Months Ended
	Apr. 05, 2018	Jun. 30, 2019
Debt Instrument, Redemption [Line Items]
Redemption price, percentage	101.00%
2026 Dollar Notes
Debt Instrument, Redemption [Line Items]
Redemption price, percentage	106.50%
2026 Dollar Notes | 2021
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		104.875%
2026 Dollar Notes | 2022
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		103.25%
2026 Dollar Notes | 2023
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		101.625%
2026 Dollar Notes | 2024 and thereafter
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		100.00%
2023 Euro Notes
Debt Instrument, Redemption [Line Items]
Redemption price, percentage	104.00%
2023 Euro Notes | 2020
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		102.00%
2023 Euro Notes | 2021
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		101.00%
2023 Euro Notes | 2022
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		100.00%
2023 Euro Notes | 2023
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		100.00%
2026 Euro Notes
Debt Instrument, Redemption [Line Items]
Redemption price, percentage	104.75%
2026 Euro Notes | 2021
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		103.5625%
2026 Euro Notes | 2022
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		102.375%
2026 Euro Notes | 2023
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		101.1875%
2026 Euro Notes | 2024 and thereafter
Debt Instrument, Redemption [Line Items]
Redemption price, percentage		100.00%