    <SEC-DOCUMENT>0000886346-17-000145-index.html : 20171031
    <SEC-HEADER>0000886346-17-000145.hdr.sgml : 20171031
    <ACCEPTANCE-DATETIME>20171030173125
    ACCESSION NUMBER:		0000886346-17-000145
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		30
    CONFORMED PERIOD OF REPORT:	20171030
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20171031
    DATE AS OF CHANGE:		20171030

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			KADANT INC
    		CENTRAL INDEX KEY:			0000886346
    		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY (NO METALWORKING MACHINERY) [3550]
    		IRS NUMBER:				521762325
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-11406
    		FILM NUMBER:		171163453

    	BUSINESS ADDRESS:
    		STREET 1:		ONE TECHNOLOGY PARK DRIVE
    		CITY:			WESTFORD
    		STATE:			MA
    		ZIP:			01886
    		BUSINESS PHONE:		(978) 776-2000

    	MAIL ADDRESS:
    		STREET 1:		ONE TECHNOLOGY PARK DRIVE
    		CITY:			WESTFORD
    		STATE:			MA
    		ZIP:			01886

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	THERMO FIBERTEK INC
    		DATE OF NAME CHANGE:	19930328
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>kaiform8k10302017.htm
    <DESCRIPTION>KAI FORM 8-K 10-30-2017
    <TEXT>
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    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>2
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    <DESCRIPTION>KAI FORM 8-K EXHIBIT 99 10-30-2017
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