    <SEC-DOCUMENT>0000277509-23-000006-index.html : 20230303
    <SEC-HEADER>0000277509-23-000006.hdr.sgml : 20230303
    <ACCEPTANCE-DATETIME>20230303131050
    ACCESSION NUMBER:		0000277509-23-000006
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		45
    CONFORMED PERIOD OF REPORT:	20230303
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20230303
    DATE AS OF CHANGE:		20230303

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FEDERAL SIGNAL CORP /DE/
    		CENTRAL INDEX KEY:			0000277509
    		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLES & PASSENGER CAR BODIES [3711]
    		IRS NUMBER:				361063330
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-06003
    		FILM NUMBER:		23702814

    	BUSINESS ADDRESS:
    		STREET 1:		1415 WEST 22ND STREET
    		STREET 2:		SUITE 1100
    		CITY:			OAK BROOK
    		STATE:			IL
    		ZIP:			60523
    		BUSINESS PHONE:		630-954-2000

    	MAIL ADDRESS:
    		STREET 1:		1415 WEST 22ND STREET
    		STREET 2:		SUITE 1100
    		CITY:			OAK BROOK
    		STATE:			IL
    		ZIP:			60523

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	FEDERAL SIGN & SIGNAL CORP /DE/
    		DATE OF NAME CHANGE:	19600201
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>fss-20230303.htm
    <DESCRIPTION>FORM 8-K
    <TEXT>
    Document 1 - file: fss-20230303.htm

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>fss-20230303.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: fss-20230303.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>fss-20230303_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: fss-20230303_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>fss-20230303_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: fss-20230303_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>fss-20230303_g1.jpg
    <DESCRIPTION>FSS LOGO
    <TEXT>
    Document 6 - file: fss-20230303_g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>fssinvestorpresentationm001.jpg
    <DESCRIPTION>SLIDE 1
    <TEXT>
    Document 7 - file: fssinvestorpresentationm001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>fssinvestorpresentationm002.jpg
    <DESCRIPTION>SLIDE 2
    <TEXT>
    Document 8 - file: fssinvestorpresentationm002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>fssinvestorpresentationm003.jpg
    <DESCRIPTION>SLIDE 3
    <TEXT>
    Document 9 - file: fssinvestorpresentationm003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>fssinvestorpresentationm004.jpg
    <DESCRIPTION>SLIDE 4
    <TEXT>
    Document 10 - file: fssinvestorpresentationm004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>fssinvestorpresentationm005.jpg
    <DESCRIPTION>SLIDE 5
    <TEXT>
    Document 11 - file: fssinvestorpresentationm005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>fssinvestorpresentationm006.jpg
    <DESCRIPTION>SLIDE 6
    <TEXT>
    Document 12 - file: fssinvestorpresentationm006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>fssinvestorpresentationm007.jpg
    <DESCRIPTION>SLIDE 7
    <TEXT>
    Document 13 - file: fssinvestorpresentationm007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>fssinvestorpresentationm008.jpg
    <DESCRIPTION>SLIDE 8
    <TEXT>
    Document 14 - file: fssinvestorpresentationm008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>fssinvestorpresentationm009.jpg
    <DESCRIPTION>SLIDE 9
    <TEXT>
    Document 15 - file: fssinvestorpresentationm009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>fssinvestorpresentationm010.jpg
    <DESCRIPTION>SLIDE 10
    <TEXT>
    Document 16 - file: fssinvestorpresentationm010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>fssinvestorpresentationm011.jpg
    <DESCRIPTION>SLIDE 11
    <TEXT>
    Document 17 - file: fssinvestorpresentationm011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>fssinvestorpresentationm012.jpg
    <DESCRIPTION>SLIDE 12
    <TEXT>
    Document 18 - file: fssinvestorpresentationm012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>fssinvestorpresentationm013.jpg
    <DESCRIPTION>SLIDE 13
    <TEXT>
    Document 19 - file: fssinvestorpresentationm013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>fssinvestorpresentationm014.jpg
    <DESCRIPTION>SLIDE 14
    <TEXT>
    Document 20 - file: fssinvestorpresentationm014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>fssinvestorpresentationm015.jpg
    <DESCRIPTION>SLIDE 15
    <TEXT>
    Document 21 - file: fssinvestorpresentationm015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>fssinvestorpresentationm016.jpg
    <DESCRIPTION>SLIDE 16
    <TEXT>
    Document 22 - file: fssinvestorpresentationm016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>fssinvestorpresentationm017.jpg
    <DESCRIPTION>SLIDE 17
    <TEXT>
    Document 23 - file: fssinvestorpresentationm017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>fssinvestorpresentationm018.jpg
    <DESCRIPTION>SLIDE 18
    <TEXT>
    Document 24 - file: fssinvestorpresentationm018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>fssinvestorpresentationm019.jpg
    <DESCRIPTION>SLIDE 19
    <TEXT>
    Document 25 - file: fssinvestorpresentationm019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>fssinvestorpresentationm020.jpg
    <DESCRIPTION>SLIDE 20
    <TEXT>
    Document 26 - file: fssinvestorpresentationm020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>fssinvestorpresentationm021.jpg
    <DESCRIPTION>SLIDE 21
    <TEXT>
    Document 27 - file: fssinvestorpresentationm021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>fssinvestorpresentationm022.jpg
    <DESCRIPTION>SLIDE 22
    <TEXT>
    Document 28 - file: fssinvestorpresentationm022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>fssinvestorpresentationm023.jpg
    <DESCRIPTION>SLIDE 23
    <TEXT>
    Document 29 - file: fssinvestorpresentationm023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>fssinvestorpresentationm024.jpg
    <DESCRIPTION>SLIDE 24
    <TEXT>
    Document 30 - file: fssinvestorpresentationm024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>fssinvestorpresentationm025.jpg
    <DESCRIPTION>SLIDE 25
    <TEXT>
    Document 31 - file: fssinvestorpresentationm025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>fssinvestorpresentationm026.jpg
    <DESCRIPTION>SLIDE 26
    <TEXT>
    Document 32 - file: fssinvestorpresentationm026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>fssinvestorpresentationm027.jpg
    <DESCRIPTION>SLIDE 27
    <TEXT>
    Document 33 - file: fssinvestorpresentationm027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>fssinvestorpresentationm028.jpg
    <DESCRIPTION>SLIDE 28
    <TEXT>
    Document 34 - file: fssinvestorpresentationm028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>fssinvestorpresentationm029.jpg
    <DESCRIPTION>SLIDE 29
    <TEXT>
    Document 35 - file: fssinvestorpresentationm029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>fssinvestorpresentationm030.jpg
    <DESCRIPTION>SLIDE 30
    <TEXT>
    Document 36 - file: fssinvestorpresentationm030.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>fssinvestorpresentationm031.jpg
    <DESCRIPTION>SLIDE 31
    <TEXT>
    Document 37 - file: fssinvestorpresentationm031.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>38
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 38 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>39
    <FILENAME>fss-20230303_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 39 - file: fss-20230303_htm.html

    Document 39 - RAW XML: fss-20230303_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>40
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 40 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>41
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 41 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>42
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 42 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>43
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 43 - file: FilingSummary.html

    Document 43 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>45
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 45 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>46
    <FILENAME>0000277509-23-000006-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 46 - file: 0000277509-23-000006-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>