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PROPERTY AND EQUIPMENT (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) item	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Property and equipment
Property and Equipment	$ 3,288.7	$ 3,087.4
Less: Accumulated Depreciation	(1,326.2)	(1,209.1)
Property and equipment, net	1,962.5	1,878.3
Depreciation Expense	123.5	117.1	$ 97.1
Vessels
Property and equipment
Property and Equipment	2,278.6	2,243.8
Less: Accumulated Depreciation	(838.8)	(760.5)
Property and equipment, net	1,439.8	1,483.3
Containers and equipment
Property and equipment
Property and Equipment	762.7	680.9
Less: Accumulated Depreciation	(433.8)	(399.4)
Property and equipment, net	328.9	281.5
Terminal facilities and other property
Property and equipment
Property and Equipment	131.5	128.3
Less: Accumulated Depreciation	(53.6)	(49.2)
Property and equipment, net	77.9	79.1
Vessel construction in progress
Property and equipment
Property and Equipment	50.2	14.9
Property and equipment, net	$ 50.2	14.9
Number of vesels under agreements for contstruction | item	3
Other construction in progress
Property and equipment
Property and Equipment	$ 65.7	19.5
Property and equipment, net	$ 65.7	$ 19.5

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