Facility Consolidation (Details) (Facility Closing [Member], USD $)
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3 Months Ended |
12 Months Ended |
Dec. 31, 2013
facility
building
operation
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Dec. 31, 2012
facility
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
facility
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Restructuring Cost and Reserve [Line Items] |
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Number of facilities closed |
1mtrn_NumberOfFacilitiesClosed |
1mtrn_NumberOfFacilitiesClosed |
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2mtrn_NumberOfFacilitiesClosed |
Number of operations consolidated |
1mtrn_NumberofOperationsConsolidated |
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Number of buildings prior to consolidation |
4mtrn_NumberofBuildingsPriortoConsolidation |
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Number of buildings included in consolidation |
2mtrn_NumberofBuildingsIncludedInConsolidation |
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Costs associated with consolidation program |
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$ 707,000us-gaap_RestructuringCharges |
$ 5,990,000us-gaap_RestructuringCharges |
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Equipment write-offs |
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1,200,000us-gaap_AssetImpairmentCharges |
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Additional expenditures in next fiscal year |
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200,000us-gaap_RestructuringAndRelatedCostExpectedCost1 |
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Cost of Sales [Member]
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Restructuring Cost and Reserve [Line Items] |
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Costs associated with consolidation program |
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433,000us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember / us-gaap_RestructuringPlanAxis = us-gaap_FacilityClosingMember |
1,812,000us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember / us-gaap_RestructuringPlanAxis = us-gaap_FacilityClosingMember |
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Selling, General and Administrative Expenses [Member]
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Restructuring Cost and Reserve [Line Items] |
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Costs associated with consolidation program |
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104,000us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember / us-gaap_RestructuringPlanAxis = us-gaap_FacilityClosingMember |
2,805,000us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember / us-gaap_RestructuringPlanAxis = us-gaap_FacilityClosingMember |
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Other Expense [Member]
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Restructuring Cost and Reserve [Line Items] |
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Costs associated with consolidation program |
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170,000us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherExpenseMember / us-gaap_RestructuringPlanAxis = us-gaap_FacilityClosingMember |
1,373,000us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherExpenseMember / us-gaap_RestructuringPlanAxis = us-gaap_FacilityClosingMember |
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Employee Severance and Other Employee Costs [Member] |
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Restructuring Cost and Reserve [Line Items] |
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Costs associated with consolidation program |
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700,000us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = mtrn_EmployeeSeveranceandOtherEmployeeCostsMember / us-gaap_RestructuringPlanAxis = us-gaap_FacilityClosingMember |
2,000,000us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = mtrn_EmployeeSeveranceandOtherEmployeeCostsMember / us-gaap_RestructuringPlanAxis = us-gaap_FacilityClosingMember |
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Cash payments for restructuring |
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$ 2,500,000us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = mtrn_EmployeeSeveranceandOtherEmployeeCostsMember / us-gaap_RestructuringPlanAxis = us-gaap_FacilityClosingMember |
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