XML 29 R43.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Effective income tax rate, continuing operations 29.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations 25.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations  
Gross unrecognized tax benefits, net of interest and penalties $ 0.2us-gaap_UnrecognizedTaxBenefits   $ 0.4us-gaap_UnrecognizedTaxBenefits
Tax benefit recognized due to expiration of statute of limitations 0.2lby_TaxBenefitRecognizedDueToExpirationOfStatuteOfLimitation    
Income tax expense (benefit), intraperiod tax allocation 0us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation (0.6)us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation  
United States      
Valuation Allowance [Line Items]      
Deferred Tax Assets, Valuation Allowance 56.0us-gaap_DeferredTaxAssetsValuationAllowance
/ us-gaap_IncomeTaxAuthorityAxis
= country_US
   
NETHERLANDS      
Valuation Allowance [Line Items]      
Deferred Tax Assets, Valuation Allowance $ 10.0us-gaap_DeferredTaxAssetsValuationAllowance
/ us-gaap_IncomeTaxAuthorityAxis
= country_NL