bgllc:BalanceSheetDetailsAbstract Balance Sheet Details [Abstract] Balance Sheet Details. 0 bgllc:BalanceSheetDetailsTextBlock Balance Sheet Details Text Block Disclosure which presents detailed balances related to major components of key Balance Sheet captions. 1 bgllc:CashDistributionsToOwner Cash distributions to owner Decrease in capital due to cash distributions to owners. 3 bgllc:ContingenciesAbstract Contingencies [Abstract] Contingencies. 0 bgllc:ContributionsFromNoncontrollingInterestHolder Contributions from noncontrolling interest holder Increase in noncontrolling interest balance from contributions by noncontrolling interest holder to increase or maintain their ownership stake in a subsidiary of the entity. 2 bgllc:ContributionsFromOwnersIncludingNoncontrollingInterests Contributions from owners including noncontrolling interests Increase in capital due to contributions from owners. 4 bgllc:DocumentAndCompanyInformationAbstract Document and Company Information [Abstract] Document and Company Information. 0 bgllc:FairValueMeasurementsAbstract Fair Value Measurements [Abstract] Fair Value Measurements. 0 bgllc:FinancialInstrumentsAndRiskManagementAbstract Financial Instruments and Risk Management [Abstract] Financial Instruments And Risk Management. 0 bgllc:GuaranteesAbstract Guarantees [Abstract] Guarantees Abstract 0 bgllc:IncomeBeforeIncomeTaxes Income before income taxes Sum of operating profit and nonoperating income (expense) before income taxes and noncontrolling interest. 4 bgllc:IncomeTaxesAbstract Income Taxes [Abstract] Income Taxes. 0 bgllc:IssuanceOfNoteReceivableFromNoncontrolledAffiliate Issuance of note receivable from noncontrolled affiliate Cash outflow associated with loans from related parties. 2 bgllc:OtherAdjustmentsNet Other Adjustments Net Other operating transactions which result in cash inflows or outflows in the period in which they occur. 2 bgllc:OtherIntangibleAssetsNetAndGoodwillAbstract Other Intangible Assets, net and Goodwill [Abstract] Other intangible assets net and goodwill abstract 0 bgllc:OwnersNetInvestment Owners' net investment Owners' ownership interest in capital and retained earnings of the Company. 2 bgllc:OwnersNetInvestmentMember Owners' Net Investment Owners' Net Investment 0 bgllc:PrepaidExpensesAndOtherCurrentAssets Prepaid expenses and other current assets Sum of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer, plus the aggregate carrying amount, as of the balance sheet date, of current assets not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer). 2 bgllc:ProceedsFromNoncontrollingInterestHolder Proceeds from Noncontrolling Interest Holder Cash inflow associated with contributions by noncontrolling interest holder to increase or maintain their ownership stake in a subsidiary of the entity. 2 bgllc:RepaymentsOfNoteReceivableFromNoncontrolledAffiliate Repayments of note receivable from noncontrolled affiliate Cash inflow associated with loans from related parties. 2 bgllc:SeasonalityOfBusinessAbstract Seasonality of Business [Abstract] Seasonality Of Business. 0 bgllc:SeasonalityOfBusinessTextBlock Seasonality of Business [Text Block] Description of the impact of sales activity not occuring evenly throughout the year, as compared to fixed costs, which are more evenly distributed across all reporting periods. 1 bgllc:SegmentInformationAbstract Segment Information [Abstract] Segment Information. 0 bgllc:SellingDeliveryAndAdministrativeExpenses Selling, delivery and administrative expenses Generally recurring costs associated with normal operations, except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense, as well as costs incurred in transporting goods and services to customers. 4 bgllc:Sfas158MeasurementDateAdjustmentNetOfTax Sfas158 Measurement Date Adjustment Net Of Tax Adjustment due to a change in the measurement date for a defined benefit pension and other postretirement plan in the initial application of the measurement provision of FAS 158. 4 bgllc:SupplementalCashFlowInformationDisclosureAbstract Supplemental Cash Flow Information Disclosure [Abstract] Supplemental Cash Flow Information. 0 bgllc:WithholdingTaxEquityAwards Withholding tax - equity awards Adjustment due to withholding taxes paid on vested restricted stock awards. 3