XML 24 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary of Significant Accounting Policies (Detail Textuals 4) (Restructuring plan 2013) | 9 Months Ended
--- | ---
Sep. 28, 2013 Facility
Restructuring plan 2013 |
Restructuring Cost and Reserve [Line Items] |
Number of facilities closed for which lease reserves were recorded | 2

X
- Definition Number of facilities closed for which lease reserves were recorded. + References No definition available. + Details
Name: | bxc_FacilitiesClosedWithLeaseReserves
Namespace Prefix: | bxc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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