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Consolidating Statements of Comprehensive Income (Loss) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Sales    
Sales $ 809,903us-gaap_SalesRevenueNet $ 767,180us-gaap_SalesRevenueNet
Costs and expenses    
Materials, labor, and other operating expenses (excluding depreciation) 705,039us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization 672,608us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization
Depreciation and amortization 13,587us-gaap_DepreciationDepletionAndAmortization 12,320us-gaap_DepreciationDepletionAndAmortization
Selling and distribution expenses 61,880us-gaap_SellingExpense 58,930us-gaap_SellingExpense
General and administrative expenses 12,008us-gaap_GeneralAndAdministrativeExpense 10,665us-gaap_GeneralAndAdministrativeExpense
Other (income) expense, net (299)us-gaap_OtherOperatingIncomeExpenseNet (1,900)us-gaap_OtherOperatingIncomeExpenseNet
Total costs and expenses 792,215us-gaap_CostsAndExpenses 752,623us-gaap_CostsAndExpenses
Income (loss) from operations 17,688us-gaap_OperatingIncomeLoss 14,557us-gaap_OperatingIncomeLoss
Foreign currency exchange gain (loss) (107)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax (89)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Interest expense (5,481)us-gaap_InterestExpense (5,512)us-gaap_InterestExpense
Interest income 90us-gaap_InvestmentIncomeInterest 70us-gaap_InvestmentIncomeInterest
Total nonoperating income (expense) (5,498)us-gaap_NonoperatingIncomeExpense (5,531)us-gaap_NonoperatingIncomeExpense
Income (loss) before income taxes and equity in net income of affiliates 12,190us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest 9,026us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income tax (provision) benefit (4,573)us-gaap_IncomeTaxExpenseBenefit (3,461)us-gaap_IncomeTaxExpenseBenefit
Income (loss) before equity in net income of affiliates 7,617bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates 5,565bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates
Equity in net income of affiliates 0us-gaap_IncomeLossFromSubsidiariesNetOfTax 0us-gaap_IncomeLossFromSubsidiariesNetOfTax
Net income (loss) 7,617us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic 5,565us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Defined benefit pension plans    
Amortization of actuarial (gain) loss 985us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax (4)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
Effect of settlements 309us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax 0us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax
Other comprehensive income (loss), net of tax 1,294us-gaap_OtherComprehensiveIncomeLossNetOfTax (4)us-gaap_OtherComprehensiveIncomeLossNetOfTax
Comprehensive income (loss) 8,911us-gaap_ComprehensiveIncomeNetOfTax 5,561us-gaap_ComprehensiveIncomeNetOfTax
Boise Cascade Company (Parent) [Member]    
Sales    
Sales 0us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Costs and expenses    
Materials, labor, and other operating expenses (excluding depreciation) 850us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Depreciation and amortization 58us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
34us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Selling and distribution expenses 555us-gaap_SellingExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_SellingExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
General and administrative expenses 5,293us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
4,275us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Other (income) expense, net (225)us-gaap_OtherOperatingIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
9us-gaap_OtherOperatingIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Total costs and expenses 6,531us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
4,318us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income (loss) from operations (6,531)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(4,318)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Foreign currency exchange gain (loss) (172)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(62)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Interest expense (5,481)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(5,512)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Interest income 18us-gaap_InvestmentIncomeInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
5us-gaap_InvestmentIncomeInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Total nonoperating income (expense) (5,635)us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(5,569)us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income (loss) before income taxes and equity in net income of affiliates (12,166)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(9,887)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income tax (provision) benefit (4,604)us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(3,479)us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income (loss) before equity in net income of affiliates (16,770)bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(13,366)bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Equity in net income of affiliates 24,387us-gaap_IncomeLossFromSubsidiariesNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
18,931us-gaap_IncomeLossFromSubsidiariesNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net income (loss) 7,617us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
5,565us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Defined benefit pension plans    
Amortization of actuarial (gain) loss 985us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(4)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Effect of settlements 309us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Other comprehensive income (loss), net of tax 1,294us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(4)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Comprehensive income (loss) 8,911us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
5,561us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Guarantor Subsidiaries [Member]    
Sales    
Sales 807,727us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
764,070us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Costs and expenses    
Materials, labor, and other operating expenses (excluding depreciation) 702,853us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
669,750us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Depreciation and amortization 13,239us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
11,979us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Selling and distribution expenses 60,763us-gaap_SellingExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
58,275us-gaap_SellingExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
General and administrative expenses 6,441us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
6,415us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Other (income) expense, net 157us-gaap_OtherOperatingIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(1,630)us-gaap_OtherOperatingIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Total costs and expenses 783,453us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
744,789us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Income (loss) from operations 24,274us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
19,281us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Foreign currency exchange gain (loss) 133us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
9us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Interest expense 0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Interest income 72us-gaap_InvestmentIncomeInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
65us-gaap_InvestmentIncomeInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Total nonoperating income (expense) 205us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
74us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Income (loss) before income taxes and equity in net income of affiliates 24,479us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
19,355us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Income tax (provision) benefit 31us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
18us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Income (loss) before equity in net income of affiliates 24,510bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
19,373bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Equity in net income of affiliates 0us-gaap_IncomeLossFromSubsidiariesNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_IncomeLossFromSubsidiariesNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Net income (loss) 24,510us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
19,373us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Defined benefit pension plans    
Amortization of actuarial (gain) loss 0us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Effect of settlements 0us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
 
Other comprehensive income (loss), net of tax 0us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Comprehensive income (loss) 24,510us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
19,373us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Non-guarantor Subsidiaries [Member]    
Sales    
Sales 6,215us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
5,675us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Costs and expenses    
Materials, labor, and other operating expenses (excluding depreciation) 5,649us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
5,398us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Depreciation and amortization 290us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
307us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Selling and distribution expenses 562us-gaap_SellingExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
655us-gaap_SellingExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
General and administrative expenses 0us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Other (income) expense, net (231)us-gaap_OtherOperatingIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(279)us-gaap_OtherOperatingIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Total costs and expenses 6,270us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
6,081us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Income (loss) from operations (55)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(406)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Foreign currency exchange gain (loss) (68)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(36)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Interest expense 0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Interest income 0us-gaap_InvestmentIncomeInterest
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_InvestmentIncomeInterest
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Total nonoperating income (expense) (68)us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(36)us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Income (loss) before income taxes and equity in net income of affiliates (123)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(442)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Income tax (provision) benefit 0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Income (loss) before equity in net income of affiliates (123)bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(442)bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Equity in net income of affiliates 0us-gaap_IncomeLossFromSubsidiariesNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_IncomeLossFromSubsidiariesNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Net income (loss) (123)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(442)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Defined benefit pension plans    
Amortization of actuarial (gain) loss 0us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Effect of settlements 0us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
 
Other comprehensive income (loss), net of tax 0us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Comprehensive income (loss) (123)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(442)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Eliminations [Member]    
Sales    
Sales (4,039)us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(2,565)us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Costs and expenses    
Materials, labor, and other operating expenses (excluding depreciation) (4,313)us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(2,540)us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Depreciation and amortization 0us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_DepreciationDepletionAndAmortization
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Selling and distribution expenses 0us-gaap_SellingExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_SellingExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
General and administrative expenses 274us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(25)us-gaap_GeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Other (income) expense, net 0us-gaap_OtherOperatingIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_OtherOperatingIncomeExpenseNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Total costs and expenses (4,039)us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(2,565)us-gaap_CostsAndExpenses
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Income (loss) from operations 0us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Foreign currency exchange gain (loss) 0us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Interest expense 0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Interest income 0us-gaap_InvestmentIncomeInterest
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_InvestmentIncomeInterest
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Total nonoperating income (expense) 0us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_NonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Income (loss) before income taxes and equity in net income of affiliates 0us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Income tax (provision) benefit 0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Income (loss) before equity in net income of affiliates 0bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0bcc_IncomeLossBeforeEquityInNetIncomeLossOfAffiliates
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Equity in net income of affiliates (24,387)us-gaap_IncomeLossFromSubsidiariesNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
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