XML 90 R67.htm IDEA: XBRL DOCUMENT
v3.24.0.1

INCOME TAXES - OPERATING LOSS AND TAX CREDIT CARRYFORWARDS (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Operating Loss and Tax Credit Carryforwards |  |
Valuation allowances | $ 5.3 | $ 7.4
Operating loss carryforwards, not expected to benefit the entity | 152.3 |
Income tax receivables, net | 125.2 | 170.8
U.S. Federal Income Tax |  |
Operating Loss and Tax Credit Carryforwards |  |
Net operating losses carryforwards |  | 0.8
Income tax receivables, net | 118.6 |
State Income Tax |  |
Operating Loss and Tax Credit Carryforwards |  |
Net operating losses carryforwards | 152.3 | 157.9
Alternative minimum tax credit carryforwards | $ 7.3 | $ 8.6

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards with no expiration. + References No definition available. + Details
Name: | matx_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTaxWithNoExpiration
Namespace Prefix: | matx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the income tax net operating losses and tax credit carryforwards for the company. + References No definition available. + Details
Name: | matx_OperatingLossAndTaxCreditCarryforwardsAbstract
Namespace Prefix: | matx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating loss carryforward not expected to be realized, before tax effects, available to reduce future taxable income under enacted tax laws. + References No definition available. + Details
Name: | matx_OperatingLossCarryforwardsNotExpectedToBeRealized
Namespace Prefix: | matx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_IncomeTaxReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-3 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |