XML 91 R64.htm IDEA: XBRL DOCUMENT v2.4.1.9
Financial Instruments (Narrative) (Details) (USD $)
Apr. 03, 2015
Dec. 31, 2014
Derivatives, Fair Value [Line Items]    
Derivative contracts held that require collateral securities $ 0bgc_DerivativeContractsHeldthatRequireCollateralSecurities $ 0bgc_DerivativeContractsHeldthatRequireCollateralSecurities
Forward pricing agreements 19,100,000bgc_ForwardPricingAgreements 11,600,000bgc_ForwardPricingAgreements
Fair value forward pricing agreements 19,000,000bgc_FairValueForwardPricingAgreements 11,200,000bgc_FairValueForwardPricingAgreements
Unrealized loss related to forward pricing agreements $ 100,000bgc_UnrealizedGainLossRelatedToForwardPricingAgreements $ 400,000bgc_UnrealizedGainLossRelatedToForwardPricingAgreements