SIGNIFICANT ACCOUNTING POLICIES - RECOGNITION OF REVENUES AND EXPENSES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Total	$ 1,165.5	$ 711.8
Ocean Transportation
Total	943.9	560.5
Logistics
Total	221.6	151.3
Ocean. Transportation.
Ocean Transportation services	936.7	554.2
Terminal and other related services	3.7	2.8
Fuel sales	1.9	1.4
Vessel management and related services	1.6	2.1
Total	$ 943.9	$ 560.5
Percentage of ocean transportation revenues and fuel sales denominated in foreign currency	3.00%	3.00%
Logistics.
Transportation Brokerage and Freight Forwarding Services	$ 194.9	$ 135.3
Warehousing and distribution services	12.1	9.2
Supply chain management and other services	14.6	6.8
Total	$ 221.6	$ 151.3
Percentage of transportation brokerage and freight forwarding services revenue denominated in foreign currency	6.50%	6.50%