    <SEC-DOCUMENT>0000785786-17-000045-index.html : 20171025
    <SEC-HEADER>0000785786-17-000045.hdr.sgml : 20171025
    <ACCEPTANCE-DATETIME>20171025160943
    ACCESSION NUMBER:		0000785786-17-000045
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		21
    CONFORMED PERIOD OF REPORT:	20171025
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20171025
    DATE AS OF CHANGE:		20171025

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			PLEXUS CORP
    		CENTRAL INDEX KEY:			0000785786
    		STANDARD INDUSTRIAL CLASSIFICATION:	PRINTED CIRCUIT BOARDS [3672]
    		IRS NUMBER:				391344447
    		STATE OF INCORPORATION:			WI
    		FISCAL YEAR END:			0930

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-14423
    		FILM NUMBER:		171153183

    	BUSINESS ADDRESS:
    		STREET 1:		PLEXUS CORP
    		STREET 2:		ONE PLEXUS WAY
    		CITY:			NEENAH
    		STATE:			WI
    		ZIP:			54956
    		BUSINESS PHONE:		9209696000

    	MAIL ADDRESS:
    		STREET 1:		PLEXUS CORP
    		STREET 2:		ONE PLEXUS WAY
    		CITY:			NEENAH
    		STATE:			WI
    		ZIP:			54956
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>a8kcoverpageq4f17.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: a8kcoverpageq4f17.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>plxsf17q4earningsrelease-e.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: plxsf17q4earningsrelease-e.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>plxsq4f17analystslides.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: plxsq4f17analystslides.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>plexuslogoa04.jpg
    <TEXT>
    Document 4 - file: plexuslogoa04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>plxsq4f17analystslides001.jpg
    <TEXT>
    Document 5 - file: plxsq4f17analystslides001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>plxsq4f17analystslides002.jpg
    <TEXT>
    Document 6 - file: plxsq4f17analystslides002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>plxsq4f17analystslides003.jpg
    <TEXT>
    Document 7 - file: plxsq4f17analystslides003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>plxsq4f17analystslides004.jpg
    <TEXT>
    Document 8 - file: plxsq4f17analystslides004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>plxsq4f17analystslides005.jpg
    <TEXT>
    Document 9 - file: plxsq4f17analystslides005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>plxsq4f17analystslides006.jpg
    <TEXT>
    Document 10 - file: plxsq4f17analystslides006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>plxsq4f17analystslides007.jpg
    <TEXT>
    Document 11 - file: plxsq4f17analystslides007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>plxsq4f17analystslides008.jpg
    <TEXT>
    Document 12 - file: plxsq4f17analystslides008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>plxsq4f17analystslides009.jpg
    <TEXT>
    Document 13 - file: plxsq4f17analystslides009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>plxsq4f17analystslides010.jpg
    <TEXT>
    Document 14 - file: plxsq4f17analystslides010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>plxsq4f17analystslides011.jpg
    <TEXT>
    Document 15 - file: plxsq4f17analystslides011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>plxsq4f17analystslides012.jpg
    <TEXT>
    Document 16 - file: plxsq4f17analystslides012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>plxsq4f17analystslides013.jpg
    <TEXT>
    Document 17 - file: plxsq4f17analystslides013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>plxsq4f17analystslides014.jpg
    <TEXT>
    Document 18 - file: plxsq4f17analystslides014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>plxsq4f17analystslides015.jpg
    <TEXT>
    Document 19 - file: plxsq4f17analystslides015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>plxsq4f17analystslides016.jpg
    <TEXT>
    Document 20 - file: plxsq4f17analystslides016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>plxsq4f17analystslides017.jpg
    <TEXT>
    Document 21 - file: plxsq4f17analystslides017.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>