    <SEC-DOCUMENT>0000886346-18-000116-index.html : 20181210
    <SEC-HEADER>0000886346-18-000116.hdr.sgml : 20181210
    <ACCEPTANCE-DATETIME>20181210085009
    ACCESSION NUMBER:		0000886346-18-000116
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		16
    CONFORMED PERIOD OF REPORT:	20181209
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20181210
    DATE AS OF CHANGE:		20181210

    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:			1229

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-11406
    		FILM NUMBER:		181224954

    	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>kaiform8k12102018acq.htm
    <DESCRIPTION>KAI FORM 8-K 12-10-2018ACQ
    <TEXT>
    Document 1 - file: kaiform8k12102018acq.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>kaiform8kexhibit9911210201.htm
    <DESCRIPTION>KAI FORM 8-K EXHIBIT 99.1 12-10-2018ACQ
    <TEXT>
    Document 2 - file: kaiform8kexhibit9911210201.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>kaiform8kexhibit99212102.htm
    <DESCRIPTION>KAI FORM 8-K EXHIBIT 99.2 12-10-2018ACQ
    <TEXT>
    Document 3 - file: kaiform8kexhibit99212102.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>kadantlogoa22.jpg
    <TEXT>
    Document 4 - file: kadantlogoa22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>kaiform8kexhibit99212102001.jpg
    <TEXT>
    Document 5 - file: kaiform8kexhibit99212102001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>kaiform8kexhibit99212102002.jpg
    <TEXT>
    Document 6 - file: kaiform8kexhibit99212102002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>kaiform8kexhibit99212102003.jpg
    <TEXT>
    Document 7 - file: kaiform8kexhibit99212102003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>kaiform8kexhibit99212102004.jpg
    <TEXT>
    Document 8 - file: kaiform8kexhibit99212102004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>kaiform8kexhibit99212102005.jpg
    <TEXT>
    Document 9 - file: kaiform8kexhibit99212102005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>kaiform8kexhibit99212102006.jpg
    <TEXT>
    Document 10 - file: kaiform8kexhibit99212102006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>kaiform8kexhibit99212102007.jpg
    <TEXT>
    Document 11 - file: kaiform8kexhibit99212102007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>kaiform8kexhibit99212102008.jpg
    <TEXT>
    Document 12 - file: kaiform8kexhibit99212102008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>kaiform8kexhibit99212102009.jpg
    <TEXT>
    Document 13 - file: kaiform8kexhibit99212102009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>kaiform8kexhibit99212102010.jpg
    <TEXT>
    Document 14 - file: kaiform8kexhibit99212102010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>kaiform8kexhibit99212102011.jpg
    <TEXT>
    Document 15 - file: kaiform8kexhibit99212102011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>kaiform8kexhibit99212102012.jpg
    <TEXT>
    Document 16 - file: kaiform8kexhibit99212102012.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>