    <SEC-DOCUMENT>0001564590-21-059050-index.html : 20211202
    <SEC-HEADER>0001564590-21-059050.hdr.sgml : 20211202
    <ACCEPTANCE-DATETIME>20211202095350
    ACCESSION NUMBER:		0001564590-21-059050
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20220111
    FILED AS OF DATE:		20211202
    DATE AS OF CHANGE:		20211202

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			UNIFIRST CORP
    		CENTRAL INDEX KEY:			0000717954
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PERSONAL SERVICES [7200]
    		IRS NUMBER:				042103460
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			0829

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08504
    		FILM NUMBER:		211465204

    	BUSINESS ADDRESS:
    		STREET 1:		68 JONSPIN RD
    		CITY:			WILMINGTON
    		STATE:			MA
    		ZIP:			01887
    		BUSINESS PHONE:		(978) 658-8888

    	MAIL ADDRESS:
    		STREET 1:		68 JONSPIN ROAD
    		CITY:			WILMINGTON
    		STATE:			MA
    		ZIP:			01887

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	INTERSTATE UNIFORM SERVICES CORP/MA
    		DATE OF NAME CHANGE:	19840410
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>unf-def14a_20220111.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: unf-def14a_20220111.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>gc3crwvwthrb000003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: gc3crwvwthrb000003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>gc3crwvwthrb000004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: gc3crwvwthrb000004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>gc3crwvwthrb000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: gc3crwvwthrb000001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>gc3crwvwthrb000005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: gc3crwvwthrb000005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>gc3crwvwthrb000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: gc3crwvwthrb000002.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>