    <SEC-DOCUMENT>0001301787-23-000077-index.html : 20231031
    <SEC-HEADER>0001301787-23-000077.hdr.sgml : 20231031
    <ACCEPTANCE-DATETIME>20231031162021
    ACCESSION NUMBER:		0001301787-23-000077
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		42
    CONFORMED PERIOD OF REPORT:	20231031
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20231031
    DATE AS OF CHANGE:		20231031

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BlueLinx Holdings Inc.
    		CENTRAL INDEX KEY:			0001301787
    		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-LUMBER, PLYWOOD, MILLWORK & WOOD PANELS [5031]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1228

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-32383
    		FILM NUMBER:		231364791

    	BUSINESS ADDRESS:
    		STREET 1:		1950 SPECTRUM CIRCLE
    		CITY:			MARIETTA
    		STATE:			GA
    		ZIP:			30067
    		BUSINESS PHONE:		770-953-7000

    	MAIL ADDRESS:
    		STREET 1:		1950 SPECTRUM CIRCLE
    		CITY:			MARIETTA
    		STATE:			GA
    		ZIP:			30067
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>bxc-20231031.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: bxc-20231031.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>q32023earnings991.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: q32023earnings991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>exhibit992.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 3 - file: exhibit992.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>bxc-20231031.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: bxc-20231031.xsd

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    <TEXT>
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    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>6
    <FILENAME>bxc-20231031_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: bxc-20231031_pre.xml

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>bluelogotagline.jpg
    <TEXT>
    Document 7 - file: bluelogotagline.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>exhibit992001.jpg
    <TEXT>
    Document 8 - file: exhibit992001.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exhibit992002.jpg
    <TEXT>
    Document 9 - file: exhibit992002.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>exhibit992003.jpg
    <TEXT>
    Document 10 - file: exhibit992003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>exhibit992004.jpg
    <TEXT>
    Document 11 - file: exhibit992004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>exhibit992005.jpg
    <TEXT>
    Document 12 - file: exhibit992005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>exhibit992006.jpg
    <TEXT>
    Document 13 - file: exhibit992006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>exhibit992007.jpg
    <TEXT>
    Document 14 - file: exhibit992007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>exhibit992008.jpg
    <TEXT>
    Document 15 - file: exhibit992008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>exhibit992009.jpg
    <TEXT>
    Document 16 - file: exhibit992009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>exhibit992010.jpg
    <TEXT>
    Document 17 - file: exhibit992010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>exhibit992011.jpg
    <TEXT>
    Document 18 - file: exhibit992011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>exhibit992012.jpg
    <TEXT>
    Document 19 - file: exhibit992012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>exhibit992013.jpg
    <TEXT>
    Document 20 - file: exhibit992013.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>exhibit992014.jpg
    <TEXT>
    Document 21 - file: exhibit992014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>exhibit992015.jpg
    <TEXT>
    Document 22 - file: exhibit992015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>exhibit992016.jpg
    <TEXT>
    Document 23 - file: exhibit992016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>exhibit992017.jpg
    <TEXT>
    Document 24 - file: exhibit992017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>exhibit992018.jpg
    <TEXT>
    Document 25 - file: exhibit992018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>exhibit992019.jpg
    <TEXT>
    Document 26 - file: exhibit992019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>exhibit992020.jpg
    <TEXT>
    Document 27 - file: exhibit992020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>exhibit992021.jpg
    <TEXT>
    Document 28 - file: exhibit992021.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>exhibit992022.jpg
    <TEXT>
    Document 29 - file: exhibit992022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>exhibit992023.jpg
    <TEXT>
    Document 30 - file: exhibit992023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>exhibit992024.jpg
    <TEXT>
    Document 31 - file: exhibit992024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>exhibit992025.jpg
    <TEXT>
    Document 32 - file: exhibit992025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>exhibit992026.jpg
    <TEXT>
    Document 33 - file: exhibit992026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>exhibit992027.jpg
    <TEXT>
    Document 34 - file: exhibit992027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>35
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 35 - file: R1.htm

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    <TYPE>XML
    <SEQUENCE>36
    <FILENAME>bxc-20231031_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 36 - file: bxc-20231031_htm.html

    Document 36 - RAW XML: bxc-20231031_htm.xml

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>37
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 37 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>38
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 38 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>39
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 39 - file: report.css

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>40
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 40 - file: FilingSummary.html

    Document 40 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>42
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 42 - file: MetaLinks.json

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    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>43
    <FILENAME>0001301787-23-000077-xbrl.zip
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    Document 43 - file: 0001301787-23-000077-xbrl.zip

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