Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash Flows From Operating Activities:
Net income	$ 301.7	$ 348.4
Reconciling adjustments:
Depreciation and amortization	123.9	113.4
Amortization of operating lease right of use assets	98.9	102.1
Deferred income taxes	10.0	16.2
Share-based compensation expense	17.0	19.1
Income from SSAT	(23.2)	(8.5)
Distributions from SSAT		14.0
Other	(5.1)	(7.8)
Changes in assets and liabilities:
Accounts receivable, net	(9.0)	(31.7)
Deferred dry-docking payments	(38.0)	(20.2)
Deferred dry-docking amortization	20.7	21.0
Prepaid expenses and other assets	(15.3)	116.9
Accounts payable, accruals and other liabilities	(8.1)	27.6
Operating lease assets and liabilities, net	(97.7)	(104.0)
Other long-term liabilities	(5.6)	(13.4)
Net cash provided by operating activities	370.2	593.1
Cash Flows From Investing Activities:
Vessel construction expenditures	(141.7)	(39.8)
Capital expenditures (excluding vessel construction expenditures)	(117.0)	(144.9)
Proceeds from disposal of property and equipment, net	0.4	4.4
Payments for asset acquisitions		(0.7)
Cash and interest deposited into the Capital Construction Fund	(114.6)	(63.6)
Withdrawals from Capital Construction Fund	136.5	35.8
Net cash used in investing activities	(236.4)	(208.8)
Cash Flows From Financing Activities:
Repayments of debt	(30.0)	(30.0)
Payments of deferred loan fees	(2.1)
Dividends paid	(33.7)	(33.5)
Repurchase of Matson common stock	(225.8)	(167.4)
Tax withholding related to net share settlements of restricted stock units	(16.3)	(17.0)
Net cash used in financing activities	(307.9)	(247.9)
Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(174.1)	136.4
Cash and Cash Equivalents, and Restricted Cash, Beginning of the Period	266.8	136.3
Cash and Cash Equivalents, and Restricted Cash, End of the Period	92.7	272.7
Reconciliation of Cash, Cash Equivalents and Restricted Cash, End of the Period:
Cash and Cash Equivalents	92.7	270.3
Restricted Cash		2.4
Total Cash and Cash Equivalents, and Restricted Cash, End of the Period	92.7	272.7
Supplemental Cash Flow Information:
Interest paid, net of capitalized interest	4.4	5.3
Income tax payments (refunds), net	62.5	(85.1)
Non-cash Information:
Capital expenditures included in accounts payable, accruals and other liabilities	$ 7.1	$ 26.9