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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,
 LshtrI04/v/ekcah09rab17IQq5s3sAfS2LMbHdbg7HCnqLpvtn1qDB+bbLDAlqj
 3KkIopuG4Si1ZmhuE/P/9g==

<SEC-DOCUMENT>0000852772-04-000003.txt : 20040105
<SEC-HEADER>0000852772-04-000003.hdr.sgml : 20040105
<ACCEPTANCE-DATETIME>20040105134329
ACCESSION NUMBER:		0000852772-04-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031231
FILED AS OF DATE:		20040105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GELARDI GUSTAVE E
		CENTRAL INDEX KEY:			0001229326

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18051
		FILM NUMBER:		04503349

	MAIL ADDRESS:	
		STREET 1:		203 EAST MAINST P 12-02
		CITY:			SPARTANBURG
		STATE:			SC
		ZIP:			29319

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DENNYS CORP
		CENTRAL INDEX KEY:			0000852772
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				133487402
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1203

	BUSINESS ADDRESS:	
		STREET 1:		203 E MAIN ST
		CITY:			SPARTANBURG
		STATE:			SC
		ZIP:			29319
		BUSINESS PHONE:		8645978000

	MAIL ADDRESS:	
		STREET 1:		203 EAST MAIN STREET
		CITY:			SPARTANBURG
		STATE:			SC
		ZIP:			29319

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADVANTICA RESTAURANT GROUP INC
		DATE OF NAME CHANGE:	19980107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FLAGSTAR COMPANIES INC
		DATE OF NAME CHANGE:	19930722

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TW HOLDINGS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-12-31</periodOfReport>
    <issuer>
        <issuerCik>0000852772</issuerCik>
        <issuerName>DENNYS CORP</issuerName>
        <issuerTradingSymbol>DNYY</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001229326</rptOwnerCik>
            <rptOwnerName>GELARDI GUSTAVE E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2 UPPER POND COURT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CENTERPORT</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11721</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Division V.P.</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-12-31</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1"/></transactionCoding><transactionAmounts><transactionShares><value>6517</value></transactionShares><transactionPricePerShare><footnoteId id="F1"/></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>15034</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership
><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">Shares of the Issuer's Common Stock were awarded under the Denny's, Inc. Omnibus Incentive Compensation Plan to the reporting person pursuant to his participation in the Company's 2002 Total Shareholder Return Program.</footnote></footnotes><remarks/><ownerSignature><signatureName>J. Scott Melton for Gustave E. Gelardi</signatureName><signatureDate>2004-01-05</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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