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Accounting Policies - Assets Held for Sale or Sold (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
unit
Dec. 31, 2013
Sep. 30, 2013
Accounting Policies [Abstract]      
Number of reporting units 2us-gaap_NumberOfReportingUnits    
Vacant Facility      
Sale Leaseback Transaction [Line Items]      
Assets held-for-sale, carrying value     $ 2.0us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssets
/ us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis
= xrm_VacantFacilityMember
Charlotte, NC | Roll Facility      
Sale Leaseback Transaction [Line Items]      
Assets held-for-sale, carrying value   0.5us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssets
/ us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis
= xrm_RollFacilityMember
/ us-gaap_StatementGeographicalAxis
= xrm_CharlotteNCMember
 
Meyzieu, France | Roll Facility      
Sale Leaseback Transaction [Line Items]      
Assets held-for-sale, carrying value   1.8us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssets
/ us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis
= xrm_RollFacilityMember
/ us-gaap_StatementGeographicalAxis
= xrm_MeyzieuFranceMember
 
General and Administrative Expense | Vacant Facility      
Sale Leaseback Transaction [Line Items]      
Long Lived Assets Held-for-sale, Impairment Charge   0.7us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember
/ us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis
= xrm_VacantFacilityMember
 
Other Assets | Joao Pessoa, Brazil | Machine Clothing Facility      
Sale Leaseback Transaction [Line Items]      
Assets held-for-sale, carrying value   $ 2.3us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssets
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherAssetsMember
/ us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis
= xrm_ClothingMember
/ us-gaap_StatementGeographicalAxis
= country_BR