XML 71 R58.htm IDEA: XBRL DOCUMENT
v3.19.1

Segment Information Segment Sales to External Customers by Product Line (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) segment | Mar. 31, 2018 USD ($)
Segment Reporting [Abstract] |  |  |
Number of Reportable Segments | segment |  | 2 |
Revenue from External Customer [Line Items] |  |  |
Sales |  | $ 1,042,086 | $ 1,182,841
Wood Products and Building Materials Distribution [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales |  | 1,042,100 | 1,182,800
Wood Products [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales |  | $ 134,400 | 190,500
Intersegment EWP Sales Volumes As Percentage to Total EWP Sales Volumes |  | 75.00% |
Wood Products [Member] | Laminated Veneer Lumber [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales | [1] | $ 11,900 | 13,500
Wood Products [Member] | I-joists [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales | [1] | 5,300 | 9,900
Wood Products [Member] | Other Engineered Wood Products [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales | [1] | 5,700 | 6,600
Wood Products [Member] | Plywood and veneer [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales | [1] | 67,400 | 87,100
Wood Products [Member] | Lumber [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales | [1] | 13,200 | 24,900
Wood Products [Member] | Byproducts [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales | [1] | 20,100 | 22,100
Wood Products [Member] | Particleboard [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales | [1] | 0 | 10,800
Wood Products [Member] | Other - Wood Products [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales | [1] | 10,800 | 15,500
Building Materials Distribution [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales |  | 907,700 | 992,400
Building Materials Distribution [Member] | Commodity product line [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales |  | 398,400 | 490,600
Building Materials Distribution [Member] | General line [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales |  | 323,400 | 315,200
Building Materials Distribution [Member] | Engineered wood products [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Sales |  | $ 185,900 | $ 186,600
[1] | Amounts represent sales to external customers. Sales are calculated after intersegment sales eliminations to our Building Materials Distribution segment, as well as the cost of EWP rebates and sales allowances provided at various stages of the supply chain (including distributors, retail lumberyards, and professional builders). For the three months ended March 31, 2019, approximately 75% of Wood Products' EWP sales volumes were to our Building Materials Distribution segment.

X
- Definition Intersegment Engineered Wood Products (EWP) Sales Volumes As Percentage to Total EWP Sales Volumes + References No definition available. + Details
Name: | bcc_IntersegmentEWPSalesVolumesAsPercentagetoTotalEWPSalesVolumes
Namespace Prefix: | bcc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bcc_WoodProductsandBuildingMaterialsDistributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bcc_WoodProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_LaminatedVeneerLumberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_IjoistsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_OtherEngineeredWoodProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_PlywoodAndVeneerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_LumberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_ByproductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_ParticleboardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_OtherWoodProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bcc_BuildingMaterialsDistributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_CommodityProductLineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_GeneralLineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bcc_EngineeredWoodProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |