XML 32 R57.htm IDEA: XBRL DOCUMENT v2.4.1.9
Intangible Assets (Details Textual) (USD $)
12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 26, 2014
Dec. 31, 2014
Dec. 31, 2012
Goodwill [Line Items]        
Deferred Finance Costs, Net $ 1,600,000us-gaap_DeferredFinanceCostsNet      
Amortization Of Finance Costs, Remaining Average Period 4 years 9 months 18 days      
Intangible Assets (Textual) [Abstract]        
Aggregate amortization expense, estimated 2015     5,800,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths  
Aggregate amortization expense, estimated 2016     5,100,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
Aggregate amortization expense, estimated 2017     4,600,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
Aggregate amortization expense, estimated 2018     1,800,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
Aggregate amortization expense, estimated 2019     600,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Goodwill 86,725,000us-gaap_Goodwill   86,725,000us-gaap_Goodwill 88,753,000us-gaap_Goodwill
Deferred Tax Asset [Member]        
Intangible Assets (Textual) [Abstract]        
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability   2,000,000us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability
/ us-gaap_BalanceSheetLocationAxis
= mtrn_DeferredTaxAssetMember
   
Advanced Material Technologies [Member]        
Intangible Assets (Textual) [Abstract]        
Goodwill     46,600,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= mtrn_AdvancedMaterialTechnologiesMember
 
Precision Optics [Member]        
Intangible Assets (Textual) [Abstract]        
Goodwill     17,600,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= mtrn_PrecisionOpticsMember
 
Large Area Coatings [Member]        
Intangible Assets (Textual) [Abstract]        
Goodwill     20,600,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= mtrn_LargeAreaCoatingsMember
 
Beryllium And Composites [Member]        
Intangible Assets (Textual) [Abstract]        
Goodwill     1,900,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= mtrn_BerylliumAndCompositesMember
 
License [Member]        
Goodwill [Line Items]        
Intangible asset acquired     $ 300,000us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
 
Weighted-average amortization period     8 years 6 months