SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2023

Schedule of changes in the allowance for doubtful accounts receivable

	Balance at				Write-offs		Balance at
Year (in millions)	Beginning of Year		Expense (1)		and Other		End of Year
2023	$	13.0	$	(2.1)	$	(1.0)	$	9.9
2022	$	10.1	$	3.2	$	(0.3)	$	13.0
2021	$	6.3	$	4.2	$	(0.4)	$	10.1

(1) Expense is shown net of amounts recovered from previously reserved doubtful accounts receivable.

Schedule of prepaid expenses and other assets

	As of December 31,
Prepaid Expenses and Other Assets (in millions)	2023		2022
Income tax receivables, net	$	125.2	$	170.8
Prepaid fuel		22.5		26.3
Prepaid insurance and insurance related receivables		19.3		17.4
Restricted cash - vessel construction obligations		2.3		3.9
Other		19.6		22.9
Total	$	188.9	$	241.3

Schedule of other long-term assets

	As of December 31,
Other Long-Term Assets (in millions)	2023		2022
Vessel and equipment spare parts	$	14.2	$	13.2
Pension plan assets		34.8		18.9
Insurance related receivables		10.2		12.1
Other		7.2		9.4
Total	$	66.4	$	53.6

Schedule of estimated useful lives of property and equipment

Classification	Life
Vessels	40 years
Terminal cranes	30 years
Containers and chassis	15 years
Terminal facilities and other property	35 years

Schedule of other liabilities

	As of December 31,
Other Liabilities (in millions)	2023		2022
Payroll and vacation	$	38.3	$	34.7
Employee incentives and other benefits		33.9		33.2
Insurance reserves and other related liabilities - short term		17.5		15.6
Multi-employer withdrawal liabilities - short term		4.1		4.1
Income tax and other tax related liabilities		1.6		2.2
Other short-term liabilities		12.6		15.7
Total	$	108.0	$	105.5

Schedule of other long-term liabilities

	As of December 31,
Other Long-Term Liabilities (in millions)	2023		2022
Multi-employer withdrawal liability	$	46.5	$	48.6
Insurance reserves and other related liabilities		23.8		29.8
Pension and post-retirement liabilities		21.8		17.8
Other long-term liabilities		21.6		18.6
Total	$	113.7	$	114.8

Ocean Transportation

Schedule of principal revenue generating activities by segment

	Years Ended December 31,
Ocean Transportation (in millions) (1)	2023		2022		2021
Ocean Transportation services	$	2,420.8	$	3,508.0	$	3,101.9
Terminal and other related services		36.9		18.5		16.0
Fuel sales		12.3		11.3		7.2
Vessel management and related services		7.0		6.8		7.7
Total	$	2,477.0	$	3,544.6	$	3,132.8

(1) Ocean Transportation revenue transactions are primarily denominated in U.S. dollars except for less than 3 percent of Ocean Transportation services revenue and fuel sales revenue categories which are denominated in foreign currencies.

Logistics

Schedule of principal revenue generating activities by segment

	Years Ended December 31,
Logistics (in millions) (1)	2023		2022		2021
Transportation Brokerage and Freight Forwarding services	$	546.8	$	695.1	$	707.4
Warehousing and distribution services		42.5		53.5		44.7
Supply chain management and other services		28.3		49.8		40.4
Total	$	617.6	$	798.4	$	792.5

(1) Logistics revenue transactions are primarily denominated in U.S. dollars except for less than 3 percent of transportation brokerage and freight forwarding services revenue, and supply chain management and other services revenue categories which are denominated in foreign currencies.