PROPERTY AND EQUIPMENT (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) item	Dec. 31, 2024 USD ($) item	Dec. 31, 2023 USD ($)
Property and equipment
Property and Equipment	$ 4,007.0	$ 3,752.7
Less: Accumulated Depreciation	(1,507.6)	(1,491.8)
Total Property and Equipment, net	$ 2,499.4	2,260.9
Number of vessels under agreements for construction | item	3
Depreciation expense	$ 147.4	135.4	$ 124.4
Vessels
Property and equipment
Property and Equipment	2,405.0	2,475.2
Less: Accumulated Depreciation	(932.6)	(961.9)
Total Property and Equipment, net	1,472.4	1,513.3
Containers and equipment
Property and equipment
Property and Equipment	943.0	883.8
Less: Accumulated Depreciation	(505.5)	(465.9)
Total Property and Equipment, net	437.5	417.9
Terminal equipment and other property
Property and equipment
Property and Equipment	171.7	152.3
Less: Accumulated Depreciation	(69.5)	(64.0)
Total Property and Equipment, net	102.2	88.3
New vessel construction in progress
Property and equipment
Property and Equipment	443.2	198.8
Total Property and Equipment, net	$ 443.2	$ 198.8
Number of vessels under agreements for construction | item	3	3
Other construction in progress
Property and equipment
Property and Equipment	$ 44.1	$ 42.6
Total Property and Equipment, net	$ 44.1	$ 42.6