LEASES - Maturities of lease liabilities (Details) - USD ($) $ in Millions |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Lessee, Operating Lease, Liability, Payment, Due [Abstract] | ||
| 2020 | $ 43.3 | |
| 2021 | 31.6 | |
| 2022 | 24.1 | |
| 2023 | 18.0 | |
| 2024 | 10.6 | |
| Thereafter | 14.2 | |
| Total Lease Payments | 141.8 | |
| Less: Imputed Interest | (28.6) | |
| Present value of lease liabilities | $ 113.2 | |
| Future minimum annual rentals previously disclosed in 2018 | ||
| 2019 | $ 51.4 | |
| 2020 | 37.2 | |
| 2021 | 25.4 | |
| 2022 | 17.9 | |
| 2023 | 12.4 | |
| Thereafter | 19.2 | |
| Total noncancelable long-term leases | $ 163.5 |