$BXC
BlueLinx Holdings Inc. Stock $bxc

$bxc Overview Financials Valuation SEC Filings Company Website

2017 Form 10-K Financial Statement

#000130178718000033 Filed on March 01, 2018

Income Statement

Concept	2017	2016 Q4	2016
Revenue	$1.816B	$476.0M	$1.917B
YoY Change	-5.27%	-8.07%	-3.17%
Cost Of Revenue	$1.585B	$416.0M	$1.654B
YoY Change	-4.18%	-8.97%	-5.52%
Gross Profit	$231.0M	$60.05M	$227.4M
YoY Change	1.59%	-1.27%	-0.74%
Gross Profit Margin	12.73%	12.61%	11.87%
Selling, General & Admin	$198.7M	$49.15M	$204.5M
YoY Change	-2.84%	-1.51%	-3.23%
% of Gross Profit	86.01%	81.85%	89.93%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$9.032M	$2.220M	$9.342M
YoY Change	-3.32%	-8.98%	-1.38%
% of Gross Profit	3.91%	3.7%	4.11%
Operating Expenses	$201.0M	$37.43M	$185.8M
YoY Change	8.23%	-28.49%	-13.83%
Operating Profit	$29.99M	$22.62M	$41.65M
YoY Change	-28.0%	166.78%	207.71%
Interest Expense	$21.23M	$6.105M	$24.90M
YoY Change	-14.75%	-14.2%	-7.0%
% of Operating Profit	70.78%	26.99%	59.78%
Other Income/Expense, Net	$822.0K	$17.00K	$452.0K
YoY Change	81.86%	-106.46%	-239.08%
Pretax Income	$9.585M	$16.53M	$17.21M
YoY Change	-44.29%	1402.73%	-226.89%
Income Tax	-$53.41M	$1.522M	$1.121M
% Of Pretax Income	-557.21%	9.21%	6.52%
Net Earnings	$62.99M	$15.01M	$16.09M
YoY Change	291.63%	2575.22%	-215.95%
Net Earnings / Revenue	3.47%	3.15%	0.84%
Basic Earnings Per Share	$6.96	$1.69	$1.80
Diluted Earnings Per Share	$6.81	$1.68	$1.77
COMMON SHARES
Basic Shares Outstanding	9.045M shares	8.900M shares	8.913M shares
Diluted Shares Outstanding	9.246M shares	8.930M shares	9.069M shares

Balance Sheet

Concept	2017	2016 Q4	2016
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.700M	$4.700M	$5.500M
YoY Change	-14.55%	-31.88%	14.58%
Cash & Equivalents		$5.540M
Short-Term Investments
Other Short-Term Assets	$17.10M	$23.13M	$23.10M
YoY Change	-25.97%	-30.65%	-27.81%
Inventory	$187.5M	$191.3M	$191.3M
Prepaid Expenses
Receivables	$134.1M	$163.4M	$125.9M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$343.4M	$345.8M	$345.8M
YoY Change	-0.69%	-28.35%	-13.98%
LONG-TERM ASSETS
Property, Plant & Equipment	$83.80M	$88.32M	$88.30M
YoY Change	-5.1%	-16.03%	-13.09%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$66.90M	$10.01M	$10.00M
YoY Change	569.0%	-4.84%	5.26%
Total Long-Term Assets	$150.7M	$98.33M	$98.30M
YoY Change	53.31%	-15.38%	-11.52%
TOTAL ASSETS
Total Short-Term Assets	$343.4M	$345.8M	$345.8M
Total Long-Term Assets	$150.7M	$98.33M	$98.30M
Total Assets	$494.1M	$444.1M	$444.1M
YoY Change	11.26%	-25.83%	-13.45%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$70.60M	$82.74M	$82.70M
YoY Change	-14.63%	-18.52%	-6.13%
Accrued Expenses	$9.200M	$7.600M	$8.300M
YoY Change	10.84%	68.89%	97.62%
Deferred Revenue
YoY Change
Short-Term Debt	$21.60M	$15.60M	$21.70M
YoY Change	-0.46%	-13.81%	25.43%
Long-Term Debt Due	$0.00	$29.47M	$29.50M
YoY Change	-100.0%	-85.48%	346.97%
Total Short-Term Liabilities	$117.6M	$154.3M	$154.3M
YoY Change	-23.78%	-54.95%	18.51%
LONG-TERM LIABILITIES
Long-Term Debt	$276.7M	$270.8M	$270.8M
YoY Change	2.18%	9.25%	-28.32%
Other Long-Term Liabilities	$64.80M	$14.50M	$48.80M
YoY Change	32.79%	1.31%	-4.5%
Total Long-Term Liabilities	$341.5M	$285.3M	$319.6M
YoY Change	6.85%	8.82%	-25.48%
TOTAL LIABILITIES
Total Short-Term Liabilities	$117.6M	$154.3M	$154.3M
Total Long-Term Liabilities	$341.5M	$285.3M	$319.6M
Total Liabilities	$459.1M	$474.0M	$474.0M
YoY Change	-3.14%	-25.31%	-15.21%
SHAREHOLDERS EQUITY
Retained Earnings		-$251.3M
YoY Change		-3.75%
Common Stock		$258.1M
YoY Change		1.02%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$35.00M	-$29.84M	-$29.80M
YoY Change
Total Liabilities & Shareholders Equity	$494.1M	$444.1M	$444.1M
YoY Change	11.26%	-25.83%	-13.45%

Cashflow Statement

Concept	2017	2016 Q4	2016
OPERATING ACTIVITIES
Net Income	$62.99M	$15.01M	$16.09M
YoY Change	291.63%	2575.22%	-215.95%
Depreciation, Depletion And Amortization	$9.032M	$2.220M	$9.342M
YoY Change	-3.32%	-8.98%	-1.38%
Cash From Operating Activities	-$2.503M	$25.70M	$41.40M
YoY Change	-106.05%	43.58%	-436.53%
INVESTING ACTIVITIES
Capital Expenditures	$797.0K	-$500.0K	$631.0K
YoY Change	26.31%	25.0%	-79.08%
Acquisitions	$0.00		$0.00
YoY Change
Other Investing Activities	$27.60M	$17.00M	$37.50M
YoY Change	-26.4%	8400.0%	4587.5%
Cash From Investing Activities	$26.80M	$16.50M	$36.80M
YoY Change	-27.17%	-8350.0%	-4700.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change
Debt Paid & Issued, Net	$0.00		$0.00
YoY Change
Cash From Financing Activities	-25.20M	-42.80M	-77.50M
YoY Change	-67.48%	210.14%	99.74%
NET CHANGE
Cash From Operating Activities	-$2.503M	25.70M	$41.40M
Cash From Investing Activities	26.80M	16.50M	36.80M
Cash From Financing Activities	-25.20M	-42.80M	-77.50M
Net Change In Cash	-$2.503M	-600.0K	$41.40M
YoY Change	-106.05%	-115.38%	-436.53%
FREE CASH FLOW
Cash From Operating Activities	-$2.503M	$25.70M	$41.40M
Capital Expenditures	$797.0K	-$500.0K	$631.0K
Free Cash Flow	-$3.300M	$26.20M	$40.77M
YoY Change	-108.09%	43.17%	-366.15%

Facts In Submission

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CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-12-30
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0001301787
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Smaller Reporting Company
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2017	dei	Trading Symbol TradingSymbol	bxc
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CY2017	dei	Document Type DocumentType	10-K
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CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	2480000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	2339000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	1827000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	350000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-100000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1968000	USD
CY2017	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	8214000	USD
CY2016	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-12687000	USD
CY2016	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-5992000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3775000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-35374000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-15886000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-12112000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-5352000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	20796000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1058000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-632000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-2919000	USD
CY2017	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-2996000	USD
CY2016	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-4666000	USD
CY2016	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-4634000	USD
CY2017	us-gaap	Payments For Restructuring PaymentsForRestructuring	0	USD
CY2016	us-gaap	Payments For Restructuring PaymentsForRestructuring	4812000	USD
CY2016	us-gaap	Payments For Restructuring PaymentsForRestructuring	726000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-2251000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-3157000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	2203000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-2503000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	41397000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	39927000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	797000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	631000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1561000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	27635000	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	37476000	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	760000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	26838000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	36845000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-801000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	226000	USD
CY2016	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	178000	USD
CY2016	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	459000	USD
CY2017	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	435708000	USD
CY2016	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	519873000	USD
CY2016	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	421045000	USD
CY2017	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	441779000	USD
CY2016	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	475112000	USD
CY2016	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	409009000	USD
CY2017	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	28976000	USD
CY2016	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	41377000	USD
CY2016	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	9523000	USD
CY2017	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	3429000	USD
CY2016	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	2908000	USD
CY2016	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	3743000	USD
CY2017	us-gaap	Proceeds From Repayments Of Bank Overdrafts ProceedsFromRepaymentsOfBankOverdrafts	-103000	USD
CY2016	us-gaap	Proceeds From Repayments Of Bank Overdrafts ProceedsFromRepaymentsOfBankOverdrafts	4409000	USD
CY2016	us-gaap	Proceeds From Repayments Of Bank Overdrafts ProceedsFromRepaymentsOfBankOverdrafts	-9993000	USD
CY2017	us-gaap	Proceeds From Repayments Of Restricted Cash Financing Activities ProceedsFromRepaymentsOfRestrictedCashFinancingActivities	1490000	USD
CY2016	us-gaap	Proceeds From Repayments Of Restricted Cash Financing Activities ProceedsFromRepaymentsOfRestrictedCashFinancingActivities	7628000	USD
CY2016	us-gaap	Proceeds From Repayments Of Restricted Cash Financing Activities ProceedsFromRepaymentsOfRestrictedCashFinancingActivities	-3052000	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2016	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	602000	USD
CY2016	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6000	USD
CY2016	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	279000	USD
CY2016	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-34000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-25179000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-77510000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-38840000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-844000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	732000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	286000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5540000	USD
CY2016Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4808000	USD
CY2015Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4522000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4696000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5540000	USD
CY2016Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4808000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1577000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	627000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	693000	USD
CY2017	us-gaap	Interest Paid InterestPaid	19825000	USD
CY2016	us-gaap	Interest Paid InterestPaid	21236000	USD
CY2016	us-gaap	Interest Paid InterestPaid	23775000	USD
CY2017	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	11828000	USD
CY2016	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	3433000	USD
CY2016	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	5075000	USD
CY2015Q1	us-gaap	Stockholders Equity StockholdersEquity	-36026000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	-11576000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-759000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	410000	USD
CY2016	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2016	bxc	Stock Issued During Period Value Performance Shares StockIssuedDuringPeriodValuePerformanceShares	0	USD
CY2016	bxc	Stock Issued During Period Value New Issues Pursuant To Right Offerings StockIssuedDuringPeriodValueNewIssuesPursuantToRightOfferings	2051000	USD
CY2016	bxc	Impact Of Net Settled Shares For Vested Grants Value ImpactOfNetSettledSharesForVestedGrantsValue	459000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	463000	USD
CY2016Q1	us-gaap	Stockholders Equity StockholdersEquity	-45896000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	16085000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	264000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-2141000	USD
CY2016	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	1000	USD
CY2016	bxc	Stock Issued During Period Value Performance Shares StockIssuedDuringPeriodValuePerformanceShares	0	USD
CY2016	bxc	Stock Issued During Period Value New Issues Pursuant To Right Offerings StockIssuedDuringPeriodValueNewIssuesPursuantToRightOfferings	1818000	USD
CY2016	bxc	Impact Of Net Settled Shares For Vested Grants Value ImpactOfNetSettledSharesForVestedGrantsValue	178000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	206000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	-29841000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	62994000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	14000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	130000	USD
CY2017	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	1000	USD
CY2017	bxc	Stock Issued During Period Value New Issues Pursuant To Right Offerings StockIssuedDuringPeriodValueNewIssuesPursuantToRightOfferings	1842000	USD
CY2017	bxc	Impact Of Net Settled Shares For Vested Grants Value ImpactOfNetSettledSharesForVestedGrantsValue	226000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	88000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	35002000	USD
CY2016Q4	bxc	Escrow Deposit Held By Lender Asa Resultof Distribution Facility Sale EscrowDepositHeldByLenderAsaResultofDistributionFacilitySale	1000000.0	USD
CY2017	us-gaap	Use Of Estimates UseOfEstimates	Use of EstimatesWe are required to make estimates and assumptions when preparing our Consolidated Financial Statements in accordance with U.S. GAAP. These estimates and assumptions affect the amounts reported in our Consolidated Financial Statements and the accompanying notes. Actual results could differ materially from those estimates.
CY2017Q4	bxc	Numberof Properties Held For Sale NumberofPropertiesHeldForSale	2	property
CY2016Q4	bxc	Numberof Properties Held For Sale NumberofPropertiesHeldForSale	4	property
CY2017	bxc	Numberof Properties Sold NumberofPropertiesSold	2	property
CY2017	bxc	Numberof Properties Sold NumberofPropertiesSold	2	property
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6700000	USD
CY2016Q4	bxc	Escrow Deposit Held By Lender For Capital Improvementsortobe Applied Against Mortgage EscrowDepositHeldByLenderForCapitalImprovementsortobeAppliedAgainstMortgage	500000	USD
CY2017Q4	us-gaap	Escrow Deposit EscrowDeposit	11218000	USD
CY2016Q4	us-gaap	Escrow Deposit EscrowDeposit	11638000	USD
CY2017Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	4070000	USD
CY2016Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	1739000	USD
CY2017Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	3552000	USD
CY2016Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	3250000	USD
CY2017Q4	bxc	Property Sales And Other Non Income Taxes Payable Current PropertySalesAndOtherNonIncomeTaxesPayableCurrent	3226000	USD
CY2016Q4	bxc	Property Sales And Other Non Income Taxes Payable Current PropertySalesAndOtherNonIncomeTaxesPayableCurrent	3239000	USD
CY2017Q4	us-gaap	Postemployment Benefits Liability Current PostemploymentBenefitsLiabilityCurrent	2169000	USD
CY2016Q4	us-gaap	Postemployment Benefits Liability Current PostemploymentBenefitsLiabilityCurrent	1569000	USD
CY2017Q4	bxc	Sale Leaseback Transaction Current Period Deferred Gain SaleLeasebackTransactionCurrentPeriodDeferredGain	1836000	USD
CY2016Q4	bxc	Sale Leaseback Transaction Current Period Deferred Gain SaleLeasebackTransactionCurrentPeriodDeferredGain	0	USD
CY2017Q4	bxc	Accrued Income Taxes Interest And Other Liabilities Current AccruedIncomeTaxesInterestAndOtherLiabilitiesCurrent	1307000	USD
CY2016Q4	bxc	Accrued Income Taxes Interest And Other Liabilities Current AccruedIncomeTaxesInterestAndOtherLiabilitiesCurrent	2295000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	16160000	USD
CY2016Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	12092000	USD
CY2017Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	10485000	USD
CY2016Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	0	USD
CY2017Q4	bxc	Multiemployer Plans Withdrawal Liability MultiemployerPlansWithdrawalLiability	4640000	USD
CY2016Q4	bxc	Multiemployer Plans Withdrawal Liability MultiemployerPlansWithdrawalLiability	0	USD
CY2017Q4	us-gaap	Accrued Insurance Noncurrent AccruedInsuranceNoncurrent	4109000	USD
CY2016Q4	us-gaap	Accrued Insurance Noncurrent AccruedInsuranceNoncurrent	4792000	USD
CY2017Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	275000	USD
CY2016Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	1145000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	34451000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	14496000	USD
CY2017Q2	bxc	Numberof Properties Subjectto Sale Leaseback Arrangement NumberofPropertiesSubjecttoSaleLeasebackArrangement	3	property
CY2017Q2	us-gaap	Capital Lease Obligations CapitalLeaseObligations	8000000.0	USD
CY2017Q2	us-gaap	Sale Leaseback Transaction Deferred Gain Gross SaleLeasebackTransactionDeferredGainGross	13700000	USD
CY2017Q2	bxc	Numberof Properties Subjectto Sale Leaseback Arrangement NumberofPropertiesSubjecttoSaleLeasebackArrangement	3	property
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-659000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	232000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-45868000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1054000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	962000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	235000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-7985000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	49000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-70000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-68000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-3000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-14000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-53409000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1121000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	153000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	3355000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	6022000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-3998000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	253000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	595000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-474000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-87137000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-6319000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	4318000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	664000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	403000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	288000	USD
CY2017	bxc	Effective Income Tax Rate Reconciliation Alternative Minimum Tax Amount EffectiveIncomeTaxRateReconciliationAlternativeMinimumTaxAmount	0	USD
CY2016	bxc	Effective Income Tax Rate Reconciliation Alternative Minimum Tax Amount EffectiveIncomeTaxRateReconciliationAlternativeMinimumTaxAmount	232000	USD
CY2016	bxc	Effective Income Tax Rate Reconciliation Alternative Minimum Tax Amount EffectiveIncomeTaxRateReconciliationAlternativeMinimumTaxAmount	0	USD
CY2017	bxc	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Amount	29387000	USD
CY2016	bxc	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Amount	0	USD
CY2016	bxc	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Amount	0	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	69000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	188000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	19000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-53409000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1121000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	153000	USD
CY2017	bxc	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpenseBenefit	-28800000	USD
CY2017	bxc	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Assets Increase Decrease In Valuation Allowance TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetsIncreaseDecreaseInValuationAllowance	-28600000	USD
CY2017	bxc	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Provisional Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateProvisionalIncomeTaxExpenseBenefit	200000	USD
CY2017	bxc	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Release Of Alternative Minimum Tax Credit Carryforward Valuation Allowance TaxCutsAndJobsActOf2017IncompleteAccountingReleaseOfAlternativeMinimumTaxCreditCarryforwardValuationAllowance	800000	USD
CY2017	bxc	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Reclassification Of Alternative Minimum Tax Credit Carryforward To Noncurrent Receivable TaxCutsAndJobsActOf2017IncompleteAccountingReclassificationOfAlternativeMinimumTaxCreditCarryforwardToNoncurrentReceivable	800000	USD
CY2017	bxc	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Reclassification Of Alternative Minimum Tax Credit Carryforward To Noncurrent Receivable Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncompleteAccountingReclassificationOfAlternativeMinimumTaxCreditCarryforwardToNoncurrentReceivableIncomeTaxExpenseBenefit	100000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	10400000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	1654000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	2088000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	3692000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	4465000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	72000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	112000	USD
CY2017Q4	bxc	Deferred Tax Assets Accounts Receivable DeferredTaxAssetsAccountsReceivable	443000	USD
CY2016Q4	bxc	Deferred Tax Assets Accounts Receivable DeferredTaxAssetsAccountsReceivable	656000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	0	USD
CY2016Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	583000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	4614000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	1134000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	7011000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	10747000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	46873000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	78236000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	285000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	194000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	64644000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	98215000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	10415000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	97552000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	54229000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	663000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	376000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	663000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	376000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	663000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	53853000	USD
CY2016Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	0	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	158200000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	245700000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	97552000	USD
CY2016Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	103311000	USD
CY2017	bxc	Valuation Allowances Provided For Taxes Related To Income Before Income Taxes ValuationAllowancesProvidedForTaxesRelatedToIncomeBeforeIncomeTaxes	-4300000	USD
CY2016	bxc	Valuation Allowances Provided For Taxes Related To Income Before Income Taxes ValuationAllowancesProvidedForTaxesRelatedToIncomeBeforeIncomeTaxes	-5759000	USD
CY2017	bxc	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Valuation Allowance EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017ValuationAllowance	-29387000	USD
CY2016	bxc	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Valuation Allowance EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017ValuationAllowance	0	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-53450000	USD
CY2016	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	0	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	10415000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	97552000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	184000	USD
CY2016Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	184000	USD
CY2015Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	184000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	184000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	184000	USD
CY2016Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	184000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	200000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	200000	USD
CY2017Q4	bxc	Line Of Credit Facility Covenant Terms Minimum Remaining Borrowing Capacity Level For60 Days Before Covered Ratio Is Not Applicable LineOfCreditFacilityCovenantTermsMinimumRemainingBorrowingCapacityLevelFor60DaysBeforeCoveredRatioIsNotApplicable	42500000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	113436000	USD
CY2016Q1	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	115055000	USD
CY2017	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	633000	USD
CY2016	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	996000	USD
CY2017	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	4663000	USD
CY2016	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	4901000	USD
CY2017	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-5808000	USD
CY2016	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-2094000	USD
CY2017	us-gaap	Defined Benefit Plan Curtailments DefinedBenefitPlanCurtailments	-310000	USD
CY2016	us-gaap	Defined Benefit Plan Curtailments DefinedBenefitPlanCurtailments	-181000	USD
CY2017	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	5418000	USD
CY2016	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	9429000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	118812000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	113436000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	79087000	USD
CY2016Q1	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	78264000	USD
CY2017	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	11109000	USD
CY2016	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	4868000	USD
CY2017	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	3674000	USD
CY2016	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	5384000	USD
CY2017	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	5418000	USD
CY2016	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	9429000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	88452000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	79087000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-30360000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-34349000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-30400000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-34300000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	100000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2100000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	400000	USD
CY2017	bxc	Increase Decreasein Funded Statusof Defined Benefit Plan IncreaseDecreaseinFundedStatusofDefinedBenefitPlan	-4000000.0	USD
CY2017	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-5800000	USD
CY2017	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	11100000	USD
CY2017	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	3700000	USD
CY2017	bxc	Defined Benefit Plan Benefit Obligation Increase In Liability DefinedBenefitPlanBenefitObligationIncreaseInLiability	5300000	USD
CY2017	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-200000	USD
CY2016	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	800000	USD
CY2016	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	4300000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-30360000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-34349000	USD
CY2017Q4	bxc	Defined Benefit Plan Unrecognized Prior Service Cost DefinedBenefitPlanUnrecognizedPriorServiceCost	0	USD
CY2016Q4	bxc	Defined Benefit Plan Unrecognized Prior Service Cost DefinedBenefitPlanUnrecognizedPriorServiceCost	0	USD
CY2017Q4	bxc	Defined Benefit Plan Unrecognized Actuarial Loss DefinedBenefitPlanUnrecognizedActuarialLoss	33884000	USD
CY2016Q4	bxc	Defined Benefit Plan Unrecognized Actuarial Loss DefinedBenefitPlanUnrecognizedActuarialLoss	34014000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	3524000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	-335000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-30360000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-34349000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	33884000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	34014000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	3524000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	-335000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear	-1000000.0	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	118200000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	112300000	USD
CY2017	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	633000	USD
CY2016	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	996000	USD
CY2016	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1104000	USD
CY2017	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	4663000	USD
CY2016	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	4901000	USD
CY2016	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	5099000	USD
CY2017	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	6538000	USD
CY2016	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	6224000	USD
CY2016	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	6172000	USD
CY2017	bxc	Defined Benefit Plan Amortization Of Unrecognized Gains Losses DefinedBenefitPlanAmortizationOfUnrecognizedGainsLosses	1056000	USD
CY2016	bxc	Defined Benefit Plan Amortization Of Unrecognized Gains Losses DefinedBenefitPlanAmortizationOfUnrecognizedGainsLosses	1126000	USD
CY2016	bxc	Defined Benefit Plan Amortization Of Unrecognized Gains Losses DefinedBenefitPlanAmortizationOfUnrecognizedGainsLosses	699000	USD
CY2017	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-186000	USD
CY2016	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	799000	USD
CY2016	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	730000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0369
CY2016Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0426
CY2017	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0426
CY2016	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0452
CY2017	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0810
CY2016	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0782
CY2017	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0810
CY2017Q4	us-gaap	Defined Benefit Plan Plan Assets Target Allocation Percentage DefinedBenefitPlanPlanAssetsTargetAllocationPercentage	1
CY2017Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2016Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	79087000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	6188000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	6421000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	6592000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	6799000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	6959000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	35800000	USD
CY2017	bxc	Number Of Minimum Required Quarterly Cash Contributions During Fiscal NumberOfMinimumRequiredQuarterlyCashContributionsDuringFiscal	4	payment
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear	4300000	USD
CY2017	us-gaap	Multiemployer Plan Contributions By Employer MultiemployerPlanContributionsByEmployer	900000	USD
CY2016	us-gaap	Multiemployer Plan Contributions By Employer MultiemployerPlanContributionsByEmployer	1400000	USD
CY2016	us-gaap	Multiemployer Plan Contributions By Employer MultiemployerPlanContributionsByEmployer	2300000	USD
CY2017Q4	bxc	Multiemployer Plans Estimated Withdrawal Liability MultiemployerPlansEstimatedWithdrawalLiability	5000000.0	USD
CY2017	bxc	Multiemployer Plans Warranty Liability Payment Period MultiemployerPlansWarrantyLiabilityPaymentPeriod	P20Y
CY2017	bxc	Multiemployer Plans Employer Contribution Amount As A Percentage Of Total Contributions MultiemployerPlansEmployerContributionAmountAsAPercentageOfTotalContributions	0.0013
CY2017	bxc	Defined Contribution Plan Numberof Plans DefinedContributionPlanNumberofPlans	2	defined_contribution_plan
CY2017	bxc	Sharebased Compensation Arrangementby Sharebased Payment Award Numberof Sharebased Compensation Plans SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharebasedCompensationPlans	3	plan
CY2017	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	2480000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	2339000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1827000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1000000.0	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	900000	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	700000	USD
CY2017	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	0	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	62994000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	16085000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	-11576000	USD
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9045000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8913000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8750000	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	201000	shares
CY2016	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	156000	shares
CY2016	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9246000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9069000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8750000	shares
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.96
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.80
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.32
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.81
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.77
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.32
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	80000	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	289333	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	512720	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	80000	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	289333	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	512720	shares
CY2017Q4	bxc	Related Party Transaction Shares Soldby Majority Shareholder Percent RelatedPartyTransactionSharesSoldbyMajorityShareholderPercent	0.97
CY2017Q4	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	300000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	6100000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4200000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4800000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Next Rolling Twelve Months OperatingLeasesFutureMinimumPaymentsNextRollingTwelveMonths	5685000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	2204000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1057000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	569000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	329000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	5137000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	14981000	USD
CY2017Q4	bxc	Carrying Amount Of Capital Leases CarryingAmountOfCapitalLeases	30300000	USD
CY2017Q4	bxc	Net Book Value Of Capital Leases NetBookValueOfCapitalLeases	16400000	USD
CY2016Q4	bxc	Carrying Amount Of Capital Leases CarryingAmountOfCapitalLeases	20800000	USD
CY2016Q4	bxc	Net Book Value Of Capital Leases NetBookValueOfCapitalLeases	9000000.0	USD
CY2017Q4	bxc	Capital Leases Future Minimum Principal Payments Due Current CapitalLeasesFutureMinimumPrincipalPaymentsDueCurrent	3510000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Interest Payments Due Current CapitalLeasesFutureMinimumInterestPaymentsDueCurrent	1203000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Principal Payments Due In Two Years CapitalLeasesFutureMinimumPrincipalPaymentsDueInTwoYears	2861000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Interest Payments Due In Two Years CapitalLeasesFutureMinimumInterestPaymentsDueInTwoYears	993000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Principal Payments Due In Three Years CapitalLeasesFutureMinimumPrincipalPaymentsDueInThreeYears	2392000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Interest Payments Due In Three Years CapitalLeasesFutureMinimumInterestPaymentsDueInThreeYears	818000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Principal Payments Due In Four Years CapitalLeasesFutureMinimumPrincipalPaymentsDueInFourYears	867000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Interest Payments Due In Four Years CapitalLeasesFutureMinimumInterestPaymentsDueInFourYears	722000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Principal Payments Due In Five Years CapitalLeasesFutureMinimumPrincipalPaymentsDueInFiveYears	189000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Interest Payments Due In Five Years CapitalLeasesFutureMinimumInterestPaymentsDueInFiveYears	693000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Principal Payments Due In Thereafter CapitalLeasesFutureMinimumPrincipalPaymentsDueInThereafter	7751000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Interest Payments Due In Thereafter CapitalLeasesFutureMinimumInterestPaymentsDueInThereafter	7827000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Principal Payments Due CapitalLeasesFutureMinimumPrincipalPaymentsDue	17570000	USD
CY2017Q4	bxc	Capital Leases Future Minimum Interest Payments Due CapitalLeasesFutureMinimumInterestPaymentsDue	12256000	USD
CY2017Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Gross SaleLeasebackTransactionDeferredGainGross	13700000	USD
CY2017Q4	bxc	Numberof Properties Subjectto Sale Leaseback Arrangement NumberofPropertiesSubjecttoSaleLeasebackArrangement	3	property
CY2017Q4	dei	Entity Number Of Employees EntityNumberOfEmployees	1500	employee
CY2017Q4	bxc	Percentage Of Employees Represented By Various Labor Unions PercentageOfEmployeesRepresentedByVariousLaborUnions	0.34
CY2017Q4	bxc	Number Of Collective Bargaining Agreements Up For Renewalin One Year NumberOfCollectiveBargainingAgreementsUpForRenewalinOneYear	0.11
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	100000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1900000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-300000	USD
CY2016	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-60000	USD
CY2016	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-289000	USD
CY2016	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-2663000	USD
CY2016	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	786000	USD
CY2017	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	1200000	USD
CY2017	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-1056000	USD
CY2016Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2016Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2016Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	30000000	shares

Files In Submission

Name	View Source	Status
0001301787-18-000033-index-headers.html	Edgar Link	pending
0001301787-18-000033-index.html	Edgar Link	pending
0001301787-18-000033.txt	Edgar Link	pending
0001301787-18-000033-xbrl.zip	Edgar Link	pending
a1230201710-kxex312.htm	Edgar Link	pending
a1230201710k-ex211subs.htm	Edgar Link	pending
a1230201710k-ex231bdoc.htm	Edgar Link	pending
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a1230201710k-ex322.htm	Edgar Link	pending
bxc-20171230.xsd	Edgar Link	pending
bxc-20171230_cal.xml	Edgar Link	unprocessable
bxc-20171230_def.xml	Edgar Link	unprocessable
bxc-20171230_lab.xml	Edgar Link	unprocessable
bxc-20171230_pre.xml	Edgar Link	unprocessable
bxc1230201710-k.htm	Edgar Link	pending
bxc1230201710-k_htm.xml	Edgar Link	completed
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$BXC
BlueLinx Holdings Inc. Stock $bxc

2017 Form 10-K Financial Statement

#000130178718000033 Filed on March 01, 2018

Income Statement

Balance Sheet

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Facts In Submission

Files In Submission

$BXC BlueLinx Holdings Inc. Stock $bxc

2017 Form 10-K Financial Statement

#000130178718000033 Filed on March 01, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BXC
BlueLinx Holdings Inc. Stock $bxc