GENERAL AND SIGNIFICANT ACCOUNTING POLICIES - RECOGNITION OF REVENUES AND EXPENSES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Total	$ 704.8	$ 1,165.5
Ocean Transportation
Total	551.0	943.9
Logistics
Total	153.8	221.6
Ocean. Transportation.
Ocean Transportation services	539.5	936.7
Terminal and other related services	6.9	3.7
Fuel sales	2.9	1.9
Vessel management and related services	1.7	1.6
Total	$ 551.0	$ 943.9
Percentage of ocean transportation revenues and fuel sales denominated in foreign currency	3.00%	3.00%
Logistics.
Transportation Brokerage and Freight Forwarding services	$ 137.7	$ 194.9
Warehousing and distribution services	9.6	12.1
Supply chain management and other services	6.5	14.6
Total	$ 153.8	$ 221.6
Percentage of transportation brokerage and freight forwarding services revenue denominated in foreign currency	3.00%	3.00%