XML 12 R39.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Commitments and Contingencies (Detail Textuals) | Mar. 30, 2013 Employee Agreement
--- | ---
Commitments and Contingencies [Abstract] |
Percentage of employees represented by various labor unions | 30.00%
Number of collective bargaining agreement | 42
Number of collective bargaining agreements up for renewal | 10
Number of employees under collective bargaining agreements up for renewal | 132

X
- Definition Represents number of collective bargaining agreements. + References No definition available. + Details
Name: | bxc_NumberOfCollectiveBargainingAgreement
Namespace Prefix: | bxc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents number of collective bargaining agreements up for renewal. + References No definition available. + Details
Name: | bxc_NumberOfCollectiveBargainingAgreementsUpForRenewal
Namespace Prefix: | bxc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents number of employees covered under collective bargaining agreements up for renewal. + References No definition available. + Details
Name: | bxc_NumberOfEmployeesCoveredUnderCollectiveBargainingAgreementsUpForRenewal
Namespace Prefix: | bxc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of employees represented by various labor unions. + References No definition available. + Details
Name: | bxc_PercentageOfEmployeesRepresentedByVariousLaborUnions
Namespace Prefix: | bxc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration