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5us-gaap_SalesRevenueNetus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse852295000852295000USD$falsetruefalse2truefalsefalse694600000694600000USD$falsetruefalse3truefalsefalse764600000764600000USD$falsetruefalse4truefalsefalse732900000732900000USD$falsetruefalse5truefalsefalse587000000587000000USD$falsetruefalse6truefalsefalse547400000547400000USD$falsetruefalse7truefalsefalse628000000628000000USD$falsetruefalse8truefalsefalse589400000589400000USD$falsetruefalse9truefalsefalse483200000483200000USD$falsetruefalse10truefalsefalse15971730001597173000USD$falsetruefalse11truefalsefalse13198860001319886000USD$falsetruefalse12truefalsefalse27790620002779062000USD$falsetruefalse13truefalsefalse22480880002248088000USD$falsetruefalse14truefalsefalse22405910002240591000USD$falsetruefalsexbrli:monetaryItemTypemonetaryTotal revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false2Sales5true 4us-gaap_SegmentReportingDisclosureOfOtherInformationAboutEntitysReportableSegmentsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Other Segment Information [Abstract]6false 5us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterestus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1720900017209000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse1512500015125000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse3693800036938000USD$falsefalsefalse11truefalsefalse1685400016854000USD$falsefalsefalse12truefalsefalse4180300041803000USD$falsefalsefalse13truefalsefalse-46123000-46123000USD$falsefalsefalse14truefalsefalse-32997000-32997000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 false2Income (loss) before income taxes7false 5us-gaap_DepreciationDepletionAndAmortizationus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse87660008766000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse83380008338000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse1724300017243000USD$falsefalsefalse11truefalsefalse1645700016457000USD$falsefalsefalse12truefalsefalse3340700033407000USD$falsefalsefalse13truefalsefalse3702200037022000USD$falsefalsefalse14truefalsefalse3489900034899000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 false2Depreciation and amortization8false 5bcc_EarningsBeforeInterestIncomeTaxesDepreciationAndAmortizationbcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse3070000030700000[1]USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse2820000028200000[1]USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse6370000063700000[1]USD$falsefalsefalse11truefalsefalse4270000042700000[1]USD$falsefalsefalse12truefalsefalse9660000096600000[2]USD$falsefalsefalse13truefalsefalse95000009500000[2]USD$falsefalsefalse14truefalsefalse2210000022100000[2]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryEarnings Before Interest, Income Taxes, Depreciation, and Amortization (EBITDA) represents represents income before interest (interest expense and interest income), income tax provision, and depreciation, amortization, and depletion. EBITDA is a non-gaap measure and is the primary measure used by our chief operating decision maker to evaluate segment operating performance and to decide how to allocate resources to segments.No definition available.false2EBITDA9true 4us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Reconciliation from Segment Totals to Consolidated [Abstract]10false 5us-gaap_InterestExpenseus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedTerseLabel1truefalsefalse-4781000-4781000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-4818000-4818000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse-9672000-9672000USD$falsefalsefalse11truefalsefalse-9631000-9631000USD$falsefalsefalse12truefalsefalse-21757000-21757000USD$falsefalsefalse13truefalsefalse-18987000-18987000USD$falsefalsefalse14truefalsefalse-21005000-21005000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of the cost of borrowed funds accounted for as interest expense.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 false2Interest expense11false 5us-gaap_InvestmentIncomeInterestus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse6200062000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse8700087000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse124000124000USD$falsefalsefalse11truefalsefalse194000194000USD$falsefalsefalse12truefalsefalse392000392000USD$falsefalsefalse13truefalsefalse407000407000USD$falsefalsefalse14truefalsefalse790000790000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(b)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 false2Interest income12false 5us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterestus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1720900017209000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse1512500015125000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse3693800036938000USD$falsefalsefalse11truefalsefalse1685400016854000USD$falsefalsefalse12truefalsefalse4180300041803000USD$falsefalsefalse13truefalsefalse-46123000-46123000USD$falsefalsefalse14truefalsefalse-32997000-32997000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 false2Income (loss) before income taxes13false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15false USDtruefalse$D2013Q2_us-gaap_StatementBusinessSegmentsAxis_bcc_WoodProductsMemberhttp://www.sec.gov/CIK0001328581duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseWood 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5us-gaap_SalesRevenueNetus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse280400000280400000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse241800000241800000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse549600000549600000USD$falsefalsefalse11truefalsefalse453000000453000000USD$falsefalsefalse12truefalsefalse943300000943300000USD$falsefalsefalse13truefalsefalse712500000712500000USD$falsefalsefalse14truefalsefalse687400000687400000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryTotal revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false2Sales16true 4us-gaap_SegmentReportingDisclosureOfOtherInformationAboutEntitysReportableSegmentsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Other Segment Information [Abstract]17false 5us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterestus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2300000023000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse1550000015500000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse4390000043900000USD$falsefalsefalse11truefalsefalse2640000026400000USD$falsefalsefalse12truefalsefalse5580000055800000USD$falsefalsefalse13truefalsefalse-15100000-15100000[3]USD$falsefalsefalse14truefalsefalse-8100000-8100000[4]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 false2Income (loss) before income taxes18false 5us-gaap_DepreciationDepletionAndAmortizationus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse65000006500000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse61000006100000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse1280000012800000USD$falsefalsefalse11truefalsefalse1200000012000000USD$falsefalsefalse12truefalsefalse2440000024400000USD$falsefalsefalse13truefalsefalse2840000028400000[3]USD$falsefalsefalse14truefalsefalse2710000027100000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 false2Depreciation and amortization19false 5bcc_EarningsBeforeInterestIncomeTaxesDepreciationAndAmortizationbcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2960000029600000[1]USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse2170000021700000[1]USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse5660000056600000[1]USD$falsefalsefalse11truefalsefalse3840000038400000[1]USD$falsefalsefalse12truefalsefalse8020000080200000[2]USD$falsefalsefalse13truefalsefalse1330000013300000[2]USD$falsefalsefalse14truefalsefalse1900000019000000[2]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryEarnings Before Interest, Income Taxes, Depreciation, and Amortization (EBITDA) represents represents income before interest (interest expense and interest income), income tax provision, and depreciation, amortization, and depletion. EBITDA is a non-gaap measure and is the primary measure used by our chief operating decision maker to evaluate segment operating performance and to decide how to allocate resources to segments.No definition available.false2EBITDA20true 4us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Reconciliation from Segment Totals to Consolidated [Abstract]21false 5us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterestus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2300000023000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse1550000015500000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse4390000043900000USD$falsefalsefalse11truefalsefalse2640000026400000USD$falsefalsefalse12truefalsefalse5580000055800000USD$falsefalsefalse13truefalsefalse-15100000-15100000[3]USD$falsefalsefalse14truefalsefalse-8100000-8100000[4]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 false2Income (loss) before income taxes22false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse22false USDtruefalse$D2013Q2_us-gaap_StatementBusinessSegmentsAxis_bcc_BuildingMaterialsDistributionMemberhttp://www.sec.gov/CIK0001328581duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseBuilding Materials Distribution [Member]us-gaap_StatementBusinessSegmentsAxisxbrldihttp://xbrl.org/2006/xbrldibcc_BuildingMaterialsDistributionMemberus-gaap_StatementBusinessSegmentsAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Building Materials Distribution [Member]23true 4us-gaap_SalesRevenueNetAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Sales24false 5us-gaap_SalesRevenueNetus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse681500000681500000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse580500000580500000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse12626000001262600000USD$falsefalsefalse11truefalsefalse10320000001032000000USD$falsefalsefalse12truefalsefalse21902000002190200000USD$falsefalsefalse13truefalsefalse17794000001779400000USD$falsefalsefalse14truefalsefalse17780000001778000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryTotal revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false2Sales25true 4us-gaap_SegmentReportingDisclosureOfOtherInformationAboutEntitysReportableSegmentsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Other Segment Information [Abstract]26false 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equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 false2Income (loss) before income taxes27false 5us-gaap_DepreciationDepletionAndAmortizationus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse22000002200000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse22000002200000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse44000004400000USD$falsefalsefalse11truefalsefalse44000004400000USD$falsefalsefalse12truefalsefalse88000008800000USD$falsefalsefalse13truefalsefalse84000008400000USD$falsefalsefalse14truefalsefalse75000007500000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 false2Depreciation and amortization28false 5bcc_EarningsBeforeInterestIncomeTaxesDepreciationAndAmortizationbcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse55000005500000[1]USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse1090000010900000[1]USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse1570000015700000[1]USD$falsefalsefalse11truefalsefalse1230000012300000[1]USD$falsefalsefalse12truefalsefalse3290000032900000[2]USD$falsefalsefalse13truefalsefalse1040000010400000[2]USD$falsefalsefalse14truefalsefalse1910000019100000[2]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryEarnings Before Interest, 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http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false2Sales34true 4us-gaap_SegmentReportingDisclosureOfOtherInformationAboutEntitysReportableSegmentsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Other Segment Information [Abstract]35false 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from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 false2Income (loss) before income taxes36false 5us-gaap_DepreciationDepletionAndAmortizationus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse00USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse100000100000USD$falsefalsefalse11truefalsefalse100000100000USD$falsefalsefalse12truefalsefalse100000100000USD$falsefalsefalse13truefalsefalse200000200000USD$falsefalsefalse14truefalsefalse300000300000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 false2Depreciation and amortization37false 5bcc_EarningsBeforeInterestIncomeTaxesDepreciationAndAmortizationbcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-4400000-4400000[1]USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-4400000-4400000[1]USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse-8600000-8600000[1]USD$falsefalsefalse11truefalsefalse-7900000-7900000[1]USD$falsefalsefalse12truefalsefalse-16500000-16500000[2]USD$falsefalsefalse13truefalsefalse-14200000-14200000[2]USD$falsefalsefalse14truefalsefalse-16000000-16000000[2]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryEarnings Before Interest, Income Taxes, Depreciation, and Amortization (EBITDA) represents represents income before interest (interest expense and interest income), income tax provision, and depreciation, amortization, and depletion. 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5us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterestus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-4400000-4400000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-4400000-4400000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse-8600000-8600000USD$falsefalsefalse11truefalsefalse-7900000-7900000USD$falsefalsefalse12truefalsefalse-16700000-16700000USD$falsefalsefalse13truefalsefalse-14500000-14500000USD$falsefalsefalse14truefalsefalse-16300000-16300000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 false2Income (loss) before income taxes40false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse36false 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4us-gaap_SalesRevenueNetAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Sales45false 5us-gaap_SalesRevenueNetus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse852295000852295000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse732900000732900000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse15971730001597173000USD$falsefalsefalse11truefalsefalse13198860001319886000USD$falsefalsefalse12truefalsefalse27593000002759300000USD$falsefalsefalse13truefalsefalse22293000002229300000USD$falsefalsefalse14truefalsefalse22153000002215300000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryTotal revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name 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5us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterestus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2190000021900000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse1990000019900000USD$falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse4650000046500000USD$falsefalsefalse11truefalsefalse2630000026300000USD$falsefalsefalse12truefalsefalse6320000063200000USD$falsefalsefalse13truefalsefalse-27500000-27500000USD$falsefalsefalse14truefalsefalse-12800000-12800000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss 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5us-gaap_SalesRevenueNetus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-109600000-109600000USD$falsetruefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-89400000-89400000USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse-215100000-215100000USD$falsetruefalse11truefalsefalse-165100000-165100000USD$falsetruefalse12truefalsefalse-354400000-354400000USD$falsetruefalse13truefalsefalse-243700000-243700000USD$falsetruefalse14truefalsefalse-224800000-224800000USD$falsetruefalsexbrli:monetaryItemTypemonetaryTotal revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false2Sales1EBITDA is defined as income (loss) before interest (interest expense and interest income), income taxes, and depreciation and amortization. EBITDA is the primary measure used by our chief operating decision maker to evaluate segment operating performance and to decide how to allocate resources to segments. We believe EBITDA is useful to investors because it provides a means to evaluate the operating performance of our segments and our company on an ongoing basis using criteria that are used by our internal decision makers and because it is frequently used by investors and other interested parties when comparing companies in our industry that have different financing and capital structures and/or tax rates. We believe EBITDA is a meaningful measure because it presents a transparent view of our recurring operating performance and allows management to readily view operating trends, perform analytical comparisons, and identify strategies to improve operating performance. EBITDA, however, is not a measure of our liquidity or financial performance under generally accepted accounting principles (GAAP) and should not be considered as an alternative to net income (loss), income (loss) from operations, or any other performance measure derived in accordance with GAAP or as an alternative to cash flow from operating activities as a measure of our liquidity. The use of EBITDA instead of net income (loss) or segment income (loss) has limitations as an analytical tool, including the inability to determine profitability; the exclusion of interest expense, interest income, and associated significant cash requirements; and the exclusion of depreciation and amortization, which represent unavoidable operating costs. Management compensates for the limitations of EBITDA by relying on our GAAP results. Our measure of EBITDA is not necessarily comparable to other similarly titled captions of other companies due to potential inconsistencies in the methods of calculation.The following is a reconciliation of net income to EBITDA: Three Months EndedJune 30?Six Months EndedJune 30 2013?2012?2013?2012 (millions)Net income(1)?$10.4?$15.0?$91.2?$16.7Interest expense?4.8?4.8?9.7?9.6Interest income?(0.1)?(0.1)?(0.1)?(0.2)Income tax provision (benefit)(1)?6.8?0.1?(54.3)?0.1Depreciation and amortization?8.8?8.3?17.2?16.5EBITDA?$30.7?$28.2?$63.7?$42.7?_______________________________________?(1)The six months ended June?30, 2013, includes $68.7 million of income tax benefit associated with the recording of net deferred tax assets upon our conversion to a corporation.2EBITDA is defined as income (loss) before interest (interest expense and interest income), income taxes, and depreciation and amortization. EBITDA is the primary measure used by our chief operating decision maker to evaluate segment operating performance and to decide how to allocate resources to segments. We believe EBITDA is useful to investors because it provides a means to evaluate the operating performance of our segments and our company on an ongoing basis using criteria that are used by our internal decision makers and because it is frequently used by investors and other interested parties when comparing companies in our industry that have different financing and capital structures and/or tax rates. We believe EBITDA is a meaningful measure because it presents a transparent view of our recurring operating performance and allows management to readily view operating trends, perform analytical comparisons, and identify strategies to improve operating performance. EBITDA, however, is not a measure of our liquidity or financial performance under generally accepted accounting principles (GAAP) and should not be considered as an alternative to net income (loss), income (loss) from operations, or any other performance measure derived in accordance with GAAP or as an alternative to cash flow from operating activities as a measure of our liquidity. The use of EBITDA instead of net income (loss) or segment income (loss) has limitations as an analytical tool, including the inability to determine profitability; the exclusion of interest expense, interest income, and associated significant cash requirements; and the exclusion of depreciation and amortization, which represent unavoidable operating costs. Management compensates for the limitations of EBITDA by relying on our GAAP results. Our measure of EBITDA is not necessarily comparable to other similarly titled captions of other companies due to potential inconsistencies in the methods of calculation.The following is a reconciliation of net income (loss) to EBITDA for the consolidated company: Year Ended December 31 2012?2011?2010 (millions)Net income (loss)?$41.5?$(46.4)?$(33.3)Interest expense?21.8?19.0?21.0Interest income?(0.4)?(0.4)?(0.8)Income tax provision?0.3?0.2?0.3Depreciation and amortization?33.4?37.0?34.9EBITDA?$96.6?$9.5?$22.13In 2011, we permanently closed a laminated beam plant in our Wood Products segment, and we recorded the related expense of $1.3 million in "Other (income) expense, net" and $0.4 million of accelerated depreciation in "Depreciation and Amortization" in our Consolidated Statement of Operations for the year ended December?31, 2011. Also, during the year ended December?31, 2011, we recorded $2.0 million of noncash asset write-downs in "Other (income) expense, net," of which $1.2 million was recorded in our Building Materials Distribution segment and $0.9 million was recorded in our Wood Products segment.4Included $4.6 million of income for cash received from a litigation settlement related to vendor product pricing. We recorded $4.1 million in our Building Materials Distribution segment and $0.5 million in our Wood Products segment.falseLevel 4 Segment Information (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.bc.com/role/Level4SegmentInformationDetailsQuarterEnd1473