LEASES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Future minimum payments under operating leases
2018	$ 57.1
2019	44.7
2020	39.3
2021	25.5
2022	16.5
Thereafter	44.5
Total minimum lease payments	227.6
Costs And Expenses
Leases
Rent expense	$ 128.7	$ 119.6	$ 105.5
Minimum
Leases
Term of existing operating leases	1 year
Maximum
Leases
Term of existing operating leases	65 years
Terminal facilities and other property | Costs And Expenses
Leases
Rent expense	$ 26.6	25.6	22.4
Vessels and equipment leases | Costs And Expenses
Leases
Rent expense	52.3	48.4	38.7
Other | Costs And Expenses
Leases
Rent expense	$ 49.8	$ 45.6	$ 44.4