LEASES - Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jun. 30, 2019
Operating Lease Liabilities, Payments Due
2020 (remaining nine months)	$ 95.5	$ 128.1
2021	111.7	107.0
2022	84.2	83.7
2023	67.2	68.0
2024	53.8	55.7
Thereafter	193.1	215.8
Total lease payments	605.5	658.3
Less: Interest	(90.9)	(88.6)
Total lease liabilities	514.6
Less: current portion	(127.2)	(10.0)
Long-term portion	387.4
Finance Lease Liabilities, Payments, Due
2020 (remaining nine months)	15.4	20.1
2021	20.1	20.0
2022	20.3	20.3
2023	20.1	19.9
2024	19.3	19.5
Thereafter	180.3	171.0
Total lease payments	275.5	270.8
Less: Interest	(90.0)
Total lease liabilities	185.5
Less: current portion	(9.5)	(10.0)
Long-term portion	176.0	$ 172.2
Lessor, operating lease not yet commenced	0.0
Lessor, finance lease not yet commenced	$ 0.0