XML 26 R71.htm IDEA: XBRL DOCUMENT
v2.4.1.9

QUARTERLY INFORMATION (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Quarterly information by segments |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 443.5 us-gaap_SalesRevenueNet | $ 441.8 us-gaap_SalesRevenueNet | $ 436.4 us-gaap_SalesRevenueNet | $ 392.5 us-gaap_SalesRevenueNet | $ 410.9 us-gaap_SalesRevenueNet | $ 415.0 us-gaap_SalesRevenueNet | $ 416.6 us-gaap_SalesRevenueNet | $ 394.7 us-gaap_SalesRevenueNet | $ 1,714.2 us-gaap_SalesRevenueNet | $ 1,637.2 us-gaap_SalesRevenueNet | $ 1,560.0 us-gaap_SalesRevenueNet
Operating income | 49.4 us-gaap_OperatingIncomeLoss | 45.0 us-gaap_OperatingIncomeLoss | 35.7 us-gaap_OperatingIncomeLoss | 9.9 us-gaap_OperatingIncomeLoss | 17.9 us-gaap_OperatingIncomeLoss | 27.2 us-gaap_OperatingIncomeLoss | 36.5 us-gaap_OperatingIncomeLoss | 18.7 us-gaap_OperatingIncomeLoss | 140.0 us-gaap_OperatingIncomeLoss | 100.3 us-gaap_OperatingIncomeLoss | 96.7 us-gaap_OperatingIncomeLoss
Interest expense | (4.3)us-gaap_InterestExpense | (4.4)us-gaap_InterestExpense | (4.5)us-gaap_InterestExpense | (4.1)us-gaap_InterestExpense | (3.5)us-gaap_InterestExpense | (3.6)us-gaap_InterestExpense | (3.6)us-gaap_InterestExpense | (3.7)us-gaap_InterestExpense | (17.3)us-gaap_InterestExpense | (14.4)us-gaap_InterestExpense | (11.7)us-gaap_InterestExpense
Income from Continuing Operations Before Income Taxes | 45.1 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 40.6 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 31.2 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 5.8 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 14.4 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 23.6 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 32.9 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 15.0 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 122.7 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 85.9 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 85.0 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income tax expense | (17.3)us-gaap_IncomeTaxExpenseBenefit | (19.1)us-gaap_IncomeTaxExpenseBenefit | (13.1)us-gaap_IncomeTaxExpenseBenefit | (2.4)us-gaap_IncomeTaxExpenseBenefit | (7.1)us-gaap_IncomeTaxExpenseBenefit | (6.4)us-gaap_IncomeTaxExpenseBenefit | (12.8)us-gaap_IncomeTaxExpenseBenefit | (5.9)us-gaap_IncomeTaxExpenseBenefit | (51.9)us-gaap_IncomeTaxExpenseBenefit | (32.2)us-gaap_IncomeTaxExpenseBenefit | (33.0)us-gaap_IncomeTaxExpenseBenefit
Income (Loss) from Continuing Operations Attributable to Parent, Total |  |  |  |  |  |  |  |  | 70.8 us-gaap_IncomeLossFromContinuingOperations | 53.7 us-gaap_IncomeLossFromContinuingOperations | 52.0 us-gaap_IncomeLossFromContinuingOperations
Net Income (Loss) from Discontinued Operations Net of Income taxes |  |  |  |  |  |  |  |  | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 0 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | (6.1)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Net Income | 27.8 us-gaap_NetIncomeLoss | 21.5 us-gaap_NetIncomeLoss | 18.1 us-gaap_NetIncomeLoss | 3.4 us-gaap_NetIncomeLoss | 7.3 us-gaap_NetIncomeLoss | 17.2 us-gaap_NetIncomeLoss | 20.1 us-gaap_NetIncomeLoss | 9.1 us-gaap_NetIncomeLoss | 70.8 us-gaap_NetIncomeLoss | 53.7 us-gaap_NetIncomeLoss | 45.9 us-gaap_NetIncomeLoss
Income From Continuing Operations, Earnings Per Share: |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ 0.65 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.50 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.42 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.08 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.40 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.47 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.21 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 1.65 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 1.26 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 1.23 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Diluted (in dollars per share) | $ 0.63 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.50 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.42 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.08 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.17 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.40 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.47 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.21 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 1.63 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 1.25 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 1.22 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Net Income, Earnings Per Share: |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) |  |  |  |  |  |  |  |  | $ 1.65 us-gaap_EarningsPerShareBasic | $ 1.26 us-gaap_EarningsPerShareBasic | $ 1.09 us-gaap_EarningsPerShareBasic
Diluted (in dollars per share) |  |  |  |  |  |  |  |  | $ 1.63 us-gaap_EarningsPerShareDiluted | $ 1.25 us-gaap_EarningsPerShareDiluted | $ 1.08 us-gaap_EarningsPerShareDiluted
Ocean Transportation |  |  |  |  |  |  |  |  |  |  |
Quarterly information by segments |  |  |  |  |  |  |  |  |  |  |
Revenue | 333.2 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 329.5 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 321.1 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 294.6 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 309.4 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 310.1 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 310.0 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 299.9 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 1,278.4 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 1,229.4 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 1,189.8 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember
Operating income | 46.3 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 42.6 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 32.8 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 9.4 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 16.0 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 25.5 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 34.3 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 18.5 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 131.1 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 94.3 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember | 96.6 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_OceanTransportationSegmentMember
Logistics |  |  |  |  |  |  |  |  |  |  |
Quarterly information by segments |  |  |  |  |  |  |  |  |  |  |
Revenue | 110.3 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 112.3 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 115.3 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 97.9 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 101.5 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 104.9 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 106.6 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 94.8 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 435.8 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 407.8 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | 370.2 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember
Operating income | $ 3.1 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 2.4 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 2.9 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 0.5 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 1.9 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 1.7 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 2.2 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 0.2 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 8.9 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 6.0 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember | $ 0.1 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = matx_LogisticsServicesSegmentMember

X
- Details
Name: | matx_IncomeLossFromContinuingOperationsPerShareAbstract
Namespace Prefix: | matx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.23) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
Name: | us-gaap_EarningsPerShareBasic
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
Name: | us-gaap_EarningsPerShareDiluted
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4613673-111683 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.13) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_IncomeLossFromContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.23) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 + Details
Name: | us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e565-108580 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_SalesRevenueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=matx_LogisticsServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=matx_OceanTransportationSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |