LEASES - Lease Maturities (Details) $ in Millions	Sep. 30, 2019 USD ($)
Operating Leases
2019 (remainder of year)	$ 4.6
2020	16.7
2021	14.9
2022	11.9
2023	10.3
2024	8.5
Thereafter	23.6
Total lease payments	90.5
Less interest	18.4
Present value of lease liabilities	72.1
Finance Leases
2019 (remainder of year)	10.4
2020	24.1
2021	19.3
2022	13.4
2023	7.9
2024	1.8
Thereafter	0.0
Total lease payments	76.9
Less interest	4.8
Present value of lease liabilities	72.1
2019 (remainder of year)	15.0
2020	40.8
2021	34.2
2022	25.3
2023	18.2
2024	10.3
Thereafter	23.6
Total lease payments	167.4
Less interest	23.2
Total lease liabilities	$ 144.2