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Borrowings (Fair Value of Borrowings) (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Total borrowings $ 444,234,000lby_DebtLongTermAndShortTermGross $ 444,904,000lby_DebtLongTermAndShortTermGross
Fair Value, Inputs, Level 2 [Member] | Senior Loans [Member]    
Debt Instrument [Line Items]    
Debt instrument, fair value 435,600,000us-gaap_DebtInstrumentFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorLoansMember		 430,100,000us-gaap_DebtInstrumentFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorLoansMember
Subsidiary, Libbey Glass [Member] | Senior Loans [Member]    
Debt Instrument [Line Items]    
Total borrowings $ 436,700,000lby_DebtLongTermAndShortTermGross
/ dei_LegalEntityAxis
= lby_SubsidiaryLibbeyGlassMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorLoansMember		 $ 437,800,000lby_DebtLongTermAndShortTermGross
/ dei_LegalEntityAxis
= lby_SubsidiaryLibbeyGlassMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorLoansMember