SHARE-BASED COMPENSATION (Details) - Time Based And Performance Based Shares - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
SHARE-BASED AWARDS
Shares granted	5,200		236,400
Weighted average grant date fair value (in dollars per share)	$ 113.11		$ 130.09
Total unrecognized compensation cost	$ 26.2		$ 26.2
Unrecognized compensation cost over weighted average period to be recognized			1 year 8 months 12 days
Selling, general and administrative expenses
SHARE-BASED AWARDS
Total stock-based compensation cost	$ 5.3	$ 7.1	$ 17.0	$ 19.1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Matson, Inc. 10-Q