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v2.4.1.9

Segment Information - Results of Operations (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Jun. 30, 2014 | Dec. 21, 2013
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | $ 344,911 us-gaap_Revenues | $ 311,086 us-gaap_Revenues | $ 667,493 us-gaap_Revenues | $ 537,992 us-gaap_Revenues |  |
Consolidated revenues | 342,880 us-gaap_SalesRevenueServicesNet | 310,998 us-gaap_SalesRevenueServicesNet | 664,563 us-gaap_SalesRevenueServicesNet | 537,215 us-gaap_SalesRevenueServicesNet |  |
Gross profit | 15,955 us-gaap_GrossProfit | 34,150 us-gaap_GrossProfit | 44,334 us-gaap_GrossProfit | 59,626 us-gaap_GrossProfit |  |
Operating income | (3,671)us-gaap_OperatingIncomeLoss | 14,817 us-gaap_OperatingIncomeLoss | 4,876 us-gaap_OperatingIncomeLoss | 25,579 us-gaap_OperatingIncomeLoss |  |
Segment assets | 566,082 us-gaap_Assets |  | 566,082 us-gaap_Assets |  | 568,932 us-gaap_Assets |
Goodwill | 72,212 us-gaap_Goodwill |  | 72,212 us-gaap_Goodwill |  | 69,837 us-gaap_Goodwill |
Electrical Infrastructure [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | 58,533 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 37,180 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 114,206 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 70,057 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |  |
Consolidated revenues | 58,533 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 37,180 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 114,206 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 70,057 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |  |
Gross profit | (16,058)us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 3,854 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | (16,547)us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 7,184 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |  |
Operating income | (18,522)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 860 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | (22,178)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 2,160 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |  |
Segment assets | 113,071 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |  | 113,071 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |  | 120,264 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |
Goodwill | 42,886 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |  | 42,886 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |  | 43,243 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |
Oil Gas & Chemical [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | 76,419 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 62,121 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 130,618 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 124,913 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |  |
Consolidated revenues | 75,457 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 62,111 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 128,816 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 124,606 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |  |
Gross profit | 7,352 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 6,686 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 11,738 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 14,217 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |  |
Operating income | 2,682 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 2,407 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 3,260 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 5,670 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |  |
Segment assets | 79,843 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |  | 79,843 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |  | 72,406 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |
Goodwill | 13,997 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |  | 13,997 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |  | 10,943 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |
Storage Solutions [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | 129,987 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 180,655 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 263,337 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 289,201 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |  |
Consolidated revenues | 129,805 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 180,577 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 263,096 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 288,731 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |  |
Gross profit | 14,231 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 19,788 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 28,749 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 32,625 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |  |
Operating income | 6,627 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 10,760 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 13,730 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 16,592 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |  |
Segment assets | 200,391 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |  | 200,391 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |  | 200,493 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |
Goodwill | 9,824 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |  | 9,824 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |  | 10,027 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |
Industrial [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | 79,972 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 31,130 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 159,332 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 53,821 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |  |
Consolidated revenues | 79,085 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 31,130 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 158,445 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 53,821 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |  |
Gross profit | 10,430 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 3,822 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 20,394 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 5,600 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |  |
Operating income | 5,542 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 790 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 10,064 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 1,157 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |  |
Segment assets | 99,084 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |  | 99,084 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |  | 105,049 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |
Goodwill | 5,505 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |  | 5,505 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |  | 5,624 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |
Other Segments [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Segment assets | 73,693 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |  | 73,693 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |  | 70,720 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
Intersegment Eliminations [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | 2,031 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | 88 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | 2,930 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | 777 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |  |
Intersegment Eliminations [Member] | Electrical Infrastructure [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | 0 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 0 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 0 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember | 0 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_ElectricalInfrastructureMember |  |
Intersegment Eliminations [Member] | Oil Gas & Chemical [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | 962 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 10 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 1,802 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember | 307 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_OilGasAndChemicalMember |  |
Intersegment Eliminations [Member] | Storage Solutions [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | 182 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 78 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 241 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember | 470 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_StorageSolutionsMember |  |
Intersegment Eliminations [Member] | Industrial [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Gross revenues | 887 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 0 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 887 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember | 0 us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember / us-gaap_StatementBusinessSegmentsAxis = mtrx_IndustrialMember |  |
Kvaerner NAC |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 39,295 us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = mtrx_KvaernerNorthAmericanConstructionMember

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