    <SEC-DOCUMENT>0000920371-23-000183-index.html : 20231108
    <SEC-HEADER>0000920371-23-000183.hdr.sgml : 20231108
    <ACCEPTANCE-DATETIME>20231108090317
    ACCESSION NUMBER:		0000920371-23-000183
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		57
    CONFORMED PERIOD OF REPORT:	20231108
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20231108
    DATE AS OF CHANGE:		20231108

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Simpson Manufacturing Co., Inc.
    		CENTRAL INDEX KEY:			0000920371
    		STANDARD INDUSTRIAL CLASSIFICATION:	CUTLERY, HANDTOOLS & GENERAL HARDWARE [3420]
    		IRS NUMBER:				943196943
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13429
    		FILM NUMBER:		231386243

    	BUSINESS ADDRESS:
    		STREET 1:		5956 W LAS POSITAS BLVD
    		CITY:			PLEASANTON
    		STATE:			CA
    		ZIP:			94588
    		BUSINESS PHONE:		9255609000

    	MAIL ADDRESS:
    		STREET 1:		5956 W LAS POSITAS BLVD
    		CITY:			PLEASANTON
    		STATE:			CA
    		ZIP:			94588

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SIMPSON MANUFACTURING CO INC /CA/
    		DATE OF NAME CHANGE:	19940315
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>ssd-20231108.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: ssd-20231108.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit991ssdinvestorpre.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: exhibit991ssdinvestorpre.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>ssd-20231108.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: ssd-20231108.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>ssd-20231108_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: ssd-20231108_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>ssd-20231108_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: ssd-20231108_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>exhibit991ssdinvestorpre001.jpg
    <TEXT>
    Document 6 - file: exhibit991ssdinvestorpre001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>exhibit991ssdinvestorpre002.jpg
    <TEXT>
    Document 7 - file: exhibit991ssdinvestorpre002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>exhibit991ssdinvestorpre003.jpg
    <TEXT>
    Document 8 - file: exhibit991ssdinvestorpre003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exhibit991ssdinvestorpre004.jpg
    <TEXT>
    Document 9 - file: exhibit991ssdinvestorpre004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>exhibit991ssdinvestorpre005.jpg
    <TEXT>
    Document 10 - file: exhibit991ssdinvestorpre005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>exhibit991ssdinvestorpre006.jpg
    <TEXT>
    Document 11 - file: exhibit991ssdinvestorpre006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>exhibit991ssdinvestorpre007.jpg
    <TEXT>
    Document 12 - file: exhibit991ssdinvestorpre007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>exhibit991ssdinvestorpre008.jpg
    <TEXT>
    Document 13 - file: exhibit991ssdinvestorpre008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>exhibit991ssdinvestorpre009.jpg
    <TEXT>
    Document 14 - file: exhibit991ssdinvestorpre009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>exhibit991ssdinvestorpre010.jpg
    <TEXT>
    Document 15 - file: exhibit991ssdinvestorpre010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>exhibit991ssdinvestorpre011.jpg
    <TEXT>
    Document 16 - file: exhibit991ssdinvestorpre011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>exhibit991ssdinvestorpre012.jpg
    <TEXT>
    Document 17 - file: exhibit991ssdinvestorpre012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>exhibit991ssdinvestorpre013.jpg
    <TEXT>
    Document 18 - file: exhibit991ssdinvestorpre013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>exhibit991ssdinvestorpre014.jpg
    <TEXT>
    Document 19 - file: exhibit991ssdinvestorpre014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>exhibit991ssdinvestorpre015.jpg
    <TEXT>
    Document 20 - file: exhibit991ssdinvestorpre015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>exhibit991ssdinvestorpre016.jpg
    <TEXT>
    Document 21 - file: exhibit991ssdinvestorpre016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>exhibit991ssdinvestorpre017.jpg
    <TEXT>
    Document 22 - file: exhibit991ssdinvestorpre017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>exhibit991ssdinvestorpre018.jpg
    <TEXT>
    Document 23 - file: exhibit991ssdinvestorpre018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>exhibit991ssdinvestorpre019.jpg
    <TEXT>
    Document 24 - file: exhibit991ssdinvestorpre019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>exhibit991ssdinvestorpre020.jpg
    <TEXT>
    Document 25 - file: exhibit991ssdinvestorpre020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>exhibit991ssdinvestorpre021.jpg
    <TEXT>
    Document 26 - file: exhibit991ssdinvestorpre021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>exhibit991ssdinvestorpre022.jpg
    <TEXT>
    Document 27 - file: exhibit991ssdinvestorpre022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>exhibit991ssdinvestorpre023.jpg
    <TEXT>
    Document 28 - file: exhibit991ssdinvestorpre023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>exhibit991ssdinvestorpre024.jpg
    <TEXT>
    Document 29 - file: exhibit991ssdinvestorpre024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>exhibit991ssdinvestorpre025.jpg
    <TEXT>
    Document 30 - file: exhibit991ssdinvestorpre025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>exhibit991ssdinvestorpre026.jpg
    <TEXT>
    Document 31 - file: exhibit991ssdinvestorpre026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>exhibit991ssdinvestorpre027.jpg
    <TEXT>
    Document 32 - file: exhibit991ssdinvestorpre027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>exhibit991ssdinvestorpre028.jpg
    <TEXT>
    Document 33 - file: exhibit991ssdinvestorpre028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>exhibit991ssdinvestorpre029.jpg
    <TEXT>
    Document 34 - file: exhibit991ssdinvestorpre029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>exhibit991ssdinvestorpre030.jpg
    <TEXT>
    Document 35 - file: exhibit991ssdinvestorpre030.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>exhibit991ssdinvestorpre031.jpg
    <TEXT>
    Document 36 - file: exhibit991ssdinvestorpre031.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>exhibit991ssdinvestorpre032.jpg
    <TEXT>
    Document 37 - file: exhibit991ssdinvestorpre032.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>exhibit991ssdinvestorpre033.jpg
    <TEXT>
    Document 38 - file: exhibit991ssdinvestorpre033.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>exhibit991ssdinvestorpre034.jpg
    <TEXT>
    Document 39 - file: exhibit991ssdinvestorpre034.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>exhibit991ssdinvestorpre035.jpg
    <TEXT>
    Document 40 - file: exhibit991ssdinvestorpre035.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>exhibit991ssdinvestorpre036.jpg
    <TEXT>
    Document 41 - file: exhibit991ssdinvestorpre036.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>exhibit991ssdinvestorpre037.jpg
    <TEXT>
    Document 42 - file: exhibit991ssdinvestorpre037.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>exhibit991ssdinvestorpre038.jpg
    <TEXT>
    Document 43 - file: exhibit991ssdinvestorpre038.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>exhibit991ssdinvestorpre039.jpg
    <TEXT>
    Document 44 - file: exhibit991ssdinvestorpre039.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>exhibit991ssdinvestorpre040.jpg
    <TEXT>
    Document 45 - file: exhibit991ssdinvestorpre040.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>exhibit991ssdinvestorpre041.jpg
    <TEXT>
    Document 46 - file: exhibit991ssdinvestorpre041.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>exhibit991ssdinvestorpre042.jpg
    <TEXT>
    Document 47 - file: exhibit991ssdinvestorpre042.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>exhibit991ssdinvestorpre043.jpg
    <TEXT>
    Document 48 - file: exhibit991ssdinvestorpre043.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>49
    <FILENAME>exhibit991ssdinvestorpre044.jpg
    <TEXT>
    Document 49 - file: exhibit991ssdinvestorpre044.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>50
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 50 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>51
    <FILENAME>ssd-20231108_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 51 - file: ssd-20231108_htm.html

    Document 51 - RAW XML: ssd-20231108_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>52
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 52 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>53
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 53 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>54
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 54 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>55
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 55 - file: FilingSummary.html

    Document 55 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>57
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 57 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>58
    <FILENAME>0000920371-23-000183-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 58 - file: 0000920371-23-000183-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>