XML 41 R56.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value Measurements of Plan Assets (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets $ 363,959us-gaap_DefinedBenefitPlanFairValueOfPlanAssets $ 357,280us-gaap_DefinedBenefitPlanFairValueOfPlanAssets $ 312,224us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Defined benefit plan receivables and accrued expenses, net 1,149bcc_DefinedBenefitPlanReceivablesandAccruedExpensesNet 1,023bcc_DefinedBenefitPlanReceivablesandAccruedExpensesNet  
Large-Cap U.S. equity securities (b) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 111,599us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_LargeCapUSEquitySecuritiesMember		 [1] 124,130us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_LargeCapUSEquitySecuritiesMember		 [1]  
Small- and mid-cap U.S. equity securities (c) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 18,331us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_SmallAndMidCapUSEquitySecuritiesMember		 [2] 20,344us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_SmallAndMidCapUSEquitySecuritiesMember		 [2]  
International equity securities (d) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 73,130us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember		 [3] 84,199us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember		 [3]  
International equity securities (d) [Member] | Emerging Markets Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan actual plan asset allocations 23.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember
/ invest_InvestmentSectorAxis
= bcc_EmergingMarketsSecuritiesMember		 20.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember
/ invest_InvestmentSectorAxis
= bcc_EmergingMarketsSecuritiesMember		  
Fixed Income Securities (e) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan actual plan asset allocations 35.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_FixedIncomeSecuritiesMember		    
Defined benefit plan fair value of plan assets 125,706us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_FixedIncomeSecuritiesMember		 [4] 96,324us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_FixedIncomeSecuritiesMember		 [4]  
Hedge fund (f) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan actual plan asset allocations 4.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_HedgeFundsMember		    
Defined benefit plan fair value of plan assets 16,242us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_HedgeFundsMember		 [5] 15,205us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_HedgeFundsMember		 [5]  
Real Estate (g) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan actual plan asset allocations 5.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember		    
Defined benefit plan fair value of plan assets 17,802us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember		 [6] 16,055us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember		 [6]  
Total investments at fair value [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 362,810us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_TotalSecuritiesAtFairValueMember		 356,257us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_TotalSecuritiesAtFairValueMember		  
Level 1 [Member] | Large-Cap U.S. equity securities (b) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_LargeCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [1] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_LargeCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [1]  
Level 1 [Member] | Small- and mid-cap U.S. equity securities (c) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_SmallAndMidCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [2] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_SmallAndMidCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [2]  
Level 1 [Member] | International equity securities (d) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [3] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [3]  
Level 1 [Member] | Fixed Income Securities (e) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_FixedIncomeSecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [4] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_FixedIncomeSecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [4]  
Level 1 [Member] | Hedge fund (f) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_HedgeFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [5] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_HedgeFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [5]  
Level 1 [Member] | Real Estate (g) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [6] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 [6]  
Level 1 [Member] | Total investments at fair value [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_TotalSecuritiesAtFairValueMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_TotalSecuritiesAtFairValueMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		  
Level 2 [Member] | Large-Cap U.S. equity securities (b) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 111,599us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_LargeCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [1],[7] 124,130us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_LargeCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [1],[7]  
Level 2 [Member] | Small- and mid-cap U.S. equity securities (c) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 18,331us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_SmallAndMidCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [2],[7] 20,344us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_SmallAndMidCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [2],[7]  
Level 2 [Member] | International equity securities (d) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 73,130us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [3],[7] 84,199us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [3],[7]  
Level 2 [Member] | Fixed Income Securities (e) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 125,706us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_FixedIncomeSecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [4],[7] 96,324us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_FixedIncomeSecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [4],[7]  
Level 2 [Member] | Hedge fund (f) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 16,242us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_HedgeFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [5],[7] 15,205us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_HedgeFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [5],[7]  
Level 2 [Member] | Real Estate (g) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [6],[7] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [6],[7]  
Level 2 [Member] | Total investments at fair value [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 345,008us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_TotalSecuritiesAtFairValueMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [7] 340,202us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_TotalSecuritiesAtFairValueMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member		 [7]  
Level 3 [Member] | Large-Cap U.S. equity securities (b) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_LargeCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [1] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_LargeCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [1]  
Level 3 [Member] | Small- and mid-cap U.S. equity securities (c) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_SmallAndMidCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [2] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_SmallAndMidCapUSEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [2]  
Level 3 [Member] | International equity securities (d) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [3] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_InternationalEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [3]  
Level 3 [Member] | Fixed Income Securities (e) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_FixedIncomeSecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [4] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_FixedIncomeSecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [4]  
Level 3 [Member] | Hedge fund (f) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_HedgeFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [5] 0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_HedgeFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [5]  
Level 3 [Member] | Real Estate (g) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets 17,802us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [6] 16,055us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 [6] 14,310us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_RealEstateFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Level 3 [Member] | Total investments at fair value [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan fair value of plan assets $ 17,802us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_TotalSecuritiesAtFairValueMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		 $ 16,055us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bcc_TotalSecuritiesAtFairValueMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member		  
[1] Invested in the Russell Equity I Fund at December 31, 2014 and 2013. The fund seeks returns that exceed the Russell 1000 Index by investing in large-capitalization stocks of the U.S. stock market. In addition, at December 31, 2014 and 2013, our investments in this category included the Russell 1000 Index Fund, which seeks to track the investment results of an index composed of large- and mid-capitalization stocks of the U.S. stock market.
[2] Invested in the Russell Equity II Fund. The fund seeks returns that exceed the Russell 2500 Index by investing in the small- and mid-capitalization stocks of the U.S. stock market.
[3] Invested in the Russell International Fund with Active Currency at December 31, 2014 and 2013, which benchmarks against the Russell Developed ex-U.S. Large Cap Index Net and seeks favorable total returns and additional diversification through investment in non-U.S. equity securities and active currency management. The fund participates primarily in the stock markets of Europe and the Pacific Rim and seeks to opportunistically add value through active investment in foreign currencies. In addition, at December 31, 2014 and 2013, our investments in this category included the Russell Emerging Market Fund, which benchmarks against the Russell Emerging Markets Index and is designed to maintain a broadly diversified exposure to emerging market countries. At December 31, 2014 and 2013, investments in emerging markets represent approximately 23% and 20%, respectively, of our international portfolio.
[4] Invested in the Russell Multi-Manager Bond Fund at December 31, 2014 and 2013. The fund seeks to outperform the Barclays Capital U.S. Aggregate Bond Index over a full market cycle. The fund is designed to provide current income and, as a secondary objective, capital appreciation through a variety of diversified strategies, including sector rotation, modest interest rate timing, security selection, and tactical use of high-yield and emerging market bonds. In addition, at December 31, 2014, our investments in this category included the Russell Long Duration Fixed Income Fund, which is designed to provide maximum total return through diversified strategies including sector rotation, modest interest rate timing, security selection, and tactical use of high-yield, emerging market bonds and other non-index securities.
[5] The fund seeks to produce high risk-adjusted returns while targeting a low long-term average correlation to traditional markets. The fund invests internationally in a broad range of instruments, including, but not limited to, equities, currencies, convertible securities, futures, forwards, options, swaps, and other derivative products. The fair value of the hedge fund is estimated using the NAV of the investments as a practical expedient for fair value. We have the ability to redeem these investments at NAV within the near term, and they are thus classified within Level 2.
[6] Invested in the Russell Real Estate Equity Fund. Real estate investments include those in limited partnerships that invest in various domestic commercial and residential real estate projects. The fair values of real estate assets are typically determined by using income and/or cost approaches or a comparable sales approach, taking into consideration discount and capitalization rates, financial conditions, local market conditions, and the status of the capital markets, and they are thus classified within Level 3. Notwithstanding the above, the variety of valuation bases adopted and quality of management data of the underlying assets means that there are inherent difficulties in determining the value of the investments. Amounts realized on the sale of these investments may differ from the calculated values. We have the ability to redeem the real estate investments with a 110-calendar-day written notice prior to a quarterly trade date.
[7] Equity and fixed-income securities represent common collective trusts managed by Russell Trust Company. The funds are valued at the net asset value (NAV) provided by Russell Trust Company, the administrator of the funds. The NAV is a practical expedient for fair value and is based on the value of the assets owned by the fund, less liabilities at year-end. While the underlying assets are actively traded on an exchange, the funds are not. We have the ability to redeem these equity and fixed-income securities with a one-day notice.