-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Rgu7T/r0muZOoUKe1oMtuoWnAxVBp05RCK0OOM6t830LeKWNlhhs+vo7vEkFr0QW
 k8G8WdoW0Pqz+hkQkcwc6Q==

<SEC-DOCUMENT>0001271372-09-000002.txt : 20090910
<SEC-HEADER>0001271372-09-000002.hdr.sgml : 20090910
<ACCEPTANCE-DATETIME>20090910205907
ACCESSION NUMBER:		0001271372-09-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090908
FILED AS OF DATE:		20090910
DATE AS OF CHANGE:		20090910

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LORBERBAUM MARK
		CENTRAL INDEX KEY:			0001271372

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13697
		FILM NUMBER:		091063843

	MAIL ADDRESS:	
		STREET 1:		C/O MOHAWK INDUSTRIES INC
		STREET 2:		2500 SW 32ND AVE
		CITY:			PEMBROOKE PARK
		STATE:			FL
		ZIP:			33023

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MOHAWK INDUSTRIES INC
		CENTRAL INDEX KEY:			0000851968
		STANDARD INDUSTRIAL CLASSIFICATION:	CARPETS AND RUGS [2273]
		IRS NUMBER:				521604305
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		160 S INDUSTRIAL BLVD
		STREET 2:		PO BOX 12069
		CITY:			CALHOUN
		STATE:			GA
		ZIP:			30701
		BUSINESS PHONE:		678-355-5814

	MAIL ADDRESS:	
		STREET 1:		P O BOX 12069
		CITY:			CALHOUN
		STATE:			GA
		ZIP:			30703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-09-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000851968</issuerCik>
        <issuerName>MOHAWK INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>MHK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001271372</rptOwnerCik>
            <rptOwnerName>LORBERBAUM MARK</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7599 ISLA VERDE WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DELRAY BEACH</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33446</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>49.04</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>260097.272</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>150000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>49.85</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>110097.272</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>49.71</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60097.272</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2379322</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Family Ltd PS</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price shown is the weighted average price at which shares were sold in multiple sales transactions made pursuant to a single market order.  The range of prices for the transactions made was $48.85 to $49.18.  Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F2">Reflects a change in form of beneficial ownership of 356,282 shares previously reported as indirectly owned through JMS Group Limited Partnership (&quot;JMS&quot;), which were distributed to the reporting person on a pro rata basis in connection with a redemption of the reporting person's limited partnership interest in JMS.</footnote>
        <footnote id="F3">The price shown is the weighted average price at which shares were sold in multiple sales transactions made pursuant to a single market order.  The range of prices for the transactions made was $49.04 to $50.24.  Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F4">The price shown is the weighted average price at which shares were sold in multiple sales transactions made pursuant to a single market order.  The range of prices for the transactions made was $49.39 to $50.02.  Upon request by SEC staff, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F5">The general partner of JMS Group Limited Partnership (&quot;JMS&quot;) is SJL Management Company, LLC (&quot;SJL&quot;).  The reporting person, Ms. Suzanne L. Helen and Mr. Jeffrey S. Lorberbaum are equal members of SJL, and each of them reports indirect ownership of 100% of the issuer shares held by JMS, but disclaims beneficial ownership of these shares except to the extent of his or her individual pecuniary interest in such shares.  The number of shares reported on this Form 4 as indirectly owned through JMS excludes 356,282 shares previously reported as indirectly owned by the reporting person which were distributed to the reporting person on a pro rata basis in connection with a redemption of his limited partnership interest in JMS.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Mark Lorberbaum</signatureName>
        <signatureDate>2009-09-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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