XML 17 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6

Mortgage (Detail Textuals) (USD $)			1 Months Ended	0 Months Ended	3 Months Ended
	Mar. 30, 2013	Dec. 29, 2012	Sep. 19, 2012 Mortgage	Jul. 14, 2011 Mortgage	Mar. 30, 2013 Mortgage Building Facility	Mar. 31, 2012 Mortgage
Debt Instrument [Line Items]
Mortgage loan with German American Capital Corporation					$ 295,000,000
Mortgage loan term					10 years
Mortgage loan balance	205,334,000	206,000,000
Distribution facilities					51
Number of office building owned by special purpose					1
Mortgage interest rate					6.35%
Payment of indebtedness under the mortgage			11,800,000	38,300,000
Collateral to be remitted to mortgage company after amendment of mortgage			10,000,000
Collateral to be remitted to borrower after amendment of mortgage			10,000,000
Funds transferred as collateral in next twelve months			13,300,000
Funds transferred as collateral for mortgage loans used to reduce principal amount			6,300,000
Funds transferred as collateral for mortgage loans remitted for use			7,000,000
Debt fees				2,900,000		300,000
Previous ownership percentage required by the Mortgage Lender removed by amendment				51.00%
Increase in restricted cash in 2012					12,800,000
Restricted cash used to reduce the mortgage principal					$ 6,300,000

X

- Definition

Represents collateral to be remitted to mortgage company after amendment of mortgage.

+ References

No definition available.

+ Details

Name:	bxc_AggregateAdditionalPrepayment
Namespace Prefix:	bxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents collateral to be remitted to borrower after amendment of mortgage.

+ References

No definition available.

+ Details

Name:	bxc_CashRemainingInCollateralAccount
Namespace Prefix:	bxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the funds expected to be transferred as collateral for mortgage loans over the next 12 months.

+ References

No definition available.

+ Details

Name:	bxc_FundsTransferredAsCollateralForMortgageLoans
Namespace Prefix:	bxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represents the funds transferred as collateral for mortgage loans remitted for use as indicated in the amendment.

+ References

No definition available.

+ Details

Name:	bxc_FundsTransferredAsCollateralForMortgageLoansRemittedForUse
Namespace Prefix:	bxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represents the funds transferred as collateral for mortgage loans used to reduce principal amount.

+ References

No definition available.

+ Details

Name:	bxc_FundsTransferredAsCollateralForMortgageLoansUsedToReducePrincipalAmount
Namespace Prefix:	bxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Initial amount of borrowings under the mortgage when the mortgage was initially executed prior to deducting any payments of principal.

+ References

No definition available.

+ Details

Name:	bxc_MortgageLoanCarryingAmount
Namespace Prefix:	bxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Mortgage loan secured by number of distribution facilities

+ References

No definition available.

+ Details

Name:	bxc_MortgageLoanSecuredByNumberOfDistributionFacilities
Namespace Prefix:	bxc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Mortgage loan secured by number of office building.

+ References

No definition available.

+ Details

Name:	bxc_MortgageLoanSecuredByNumberOfOfficeBuilding
Namespace Prefix:	bxc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Mortgage loan term period.

+ References

No definition available.

+ Details

Name:	bxc_MortgageLoanTerm
Namespace Prefix:	bxc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

No definition available.

+ Details

Name:	bxc_MortgageRepaymentsOfPrincipalTotal
Namespace Prefix:	bxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Prepayments of indebtedness under the mortgage.

+ References

No definition available.

+ Details

Name:	bxc_PrepaymentsOfIndebtednessUnderMortgage
Namespace Prefix:	bxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Previous ownership percentage required by the mortgage lender removed by amendment.

+ References

No definition available.

+ Details

Name:	bxc_PreviousOwnershipPercentageRequiredByMortgageLenderRemovedByAmendment
Namespace Prefix:	bxc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Restricted cash used to reduce mortgage principal.

+ References

No definition available.

+ Details

Name:	bxc_RestrictedCashUsedToReduceMortgagePrincipal
Namespace Prefix:	bxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentFeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15, 16, 17

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_IncreaseDecreaseInRestrictedCash
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration