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    ACCESSION NUMBER:		0000852772-20-000061
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		17
    CONFORMED PERIOD OF REPORT:	20200504
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20200504
    DATE AS OF CHANGE:		20200504

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DENNY'S Corp
    		CENTRAL INDEX KEY:			0000852772
    		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
    		IRS NUMBER:				133487402
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1225

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-18051
    		FILM NUMBER:		20842939

    	BUSINESS ADDRESS:
    		STREET 1:		203 EAST MAIN STREET
    		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:	DENNYS CORP
    		DATE OF NAME CHANGE:	20020801

    	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
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    <FILENAME>may420208-k.htm
    <DESCRIPTION>8-K
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    Document 1 - file: may420208-k.htm

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    <FILENAME>dennbusinessupdateandq.htm
    <DESCRIPTION>EXHIBIT 99.1
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    <FILENAME>denn-20200504.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
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    <FILENAME>denn-20200504_cal.xml
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