PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Property and equipment
Cost	$ 2,843.0	$ 2,836.7
Less: Accumulated Depreciation	(1,253.4)	(1,238.6)
Property and equipment, net	1,589.6	1,598.1
Vessels
Property and equipment
Cost	1,966.1	1,653.5
Capitalized Interest
Interest Costs Capitalized	16.5
Transfer amount to Property and Equipment	308.2
Containers and equipment
Property and equipment
Cost	528.8	544.5
Terminal facilities and other property
Property and equipment
Cost	114.6	114.4
Vessel construction in progress
Property and equipment
Cost	185.4	488.9
Capitalized Interest
Interest Costs Capitalized	7.4	22.0
Other construction in progress
Property and equipment
Cost	$ 48.1	$ 35.4

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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