RENTALS AND LEASES - Future Maturity and Minimum Payments (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating leases maturities:
2021	$ 142.0
2022	110.0
2023	73.0
2024	44.0
2025	29.0
Thereafter	76.0
Total lease payments	474.0
Less: imputed interest	49.0
Present value of lease liabilities	$ 425.0
Total rental expenses			$ 172.0
Weighted-average remaining lease term - operating leases	5 years 6 months 7 days	5 years 9 months 29 days
Weighted-average discount rate - operating leases	3.72%	4.00%
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 164.2	$ 159.0
Leased assets obtained in exchange for new operating lease liabilities	$ 60.4	$ 116.5

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