SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2024

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
2024	$	9.9	$	0.8	$	(0.9)	$	9.8
2023	$	13.0	$	(2.1)	$	(1.0)	$	9.9
2022	$	10.1	$	3.2	$	(0.3)	$	13.0

(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)	2024		2023
Prepaid fuel	$	31.2	$	22.5
Prepaid insurance and insurance related receivables		19.1		19.3
Prepaid operating expenses		8.8		8.2
Income tax receivables, net		2.0		125.2
Restricted cash - vessel construction obligations		—		2.3
Other		12.8		11.4
Total	$	73.9	$	188.9

Schedule of other long-term assets

	As of December 31,
Other Long-Term Assets (in millions)	2024		2023
Pension plan assets	$	49.0	$	34.8
Vessel and equipment spare parts		15.9		14.2
Insurance related receivables		9.8		10.2
Other		4.9		7.2
Total	$	79.6	$	66.4

Schedule of estimated useful lives of property and equipment

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

Schedule of other liabilities

	As of December 31,
Other Liabilities (in millions)	2024		2023
Employee incentives and other benefits	$	36.6	$	33.9
Payroll and vacation		36.1		38.3
Insurance reserves and other related liabilities - short term		27.2		17.5
Income tax and other tax related liabilities		8.6		1.6
Deferred revenues		5.5		6.4
Multi-employer withdrawal liabilities - short term		4.1		4.1
Other short-term liabilities		5.1		6.2
Total	$	123.2	$	108.0

Schedule of other long-term liabilities

	As of December 31,
Other Long-Term Liabilities (in millions)	2024		2023
Multi-employer withdrawal liability	$	44.2	$	46.5
Insurance reserves and other related liabilities		25.6		23.8
Pension and post-retirement liabilities		21.3		21.8
Long-term tax liabilities		9.1		8.9
Other long-term liabilities		9.1		12.7
Total	$	109.3	$	113.7

Ocean Transportation

Schedule of principal revenue generating activities by segment

	Years Ended December 31,
Ocean Transportation (in millions) (1)	2024		2023		2022
Ocean Transportation services	$	2,762.0	$	2,420.8	$	3,508.0
Terminal and other related services		32.0		36.9		18.5
Fuel sales		12.4		12.3		11.3
Vessel management and related services		3.3		7.0		6.8
Total	$	2,809.7	$	2,477.0	$	3,544.6

(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)	2024		2023		2022
Transportation Brokerage and Freight Forwarding services	$	538.1	$	546.8	$	695.1
Warehousing services		40.0		42.5		53.5
Supply Chain Management services		34.0		28.3		49.8
Total	$	612.1	$	617.6	$	798.4

(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 services revenue categories which are denominated in foreign currencies.