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Share Repurchases	12 Months Ended
	Dec. 26, 2012
Share Repurchases [Abstract]
Share Repurchases	Share Repurchases Our Old Credit Facility permitted and our New Credit Facility permits the payment of cash dividends and the purchase of Denny’s Corporation Common Stock subject to certain limitations. Over the past several years, our Board of Directors has approved share repurchase programs authorizing us to repurchase up to a set amount of shares of our Common Stock. Under the programs, we could, from time to time, purchase shares in the open market (including pre-arranged stock trading plans in accordance with guidelines specified in Rule 10b5-1 under the Securities Exchange Act of 1934) or in privately negotiated transactions, subject to market and business conditions. During 2012, 2011 and 2010, the Board approved share repurchase programs for 6.0 million, 6.0 million and 3.0 million shares, respectively. During 2012, 2011 and 2010, we repurchased 4.8 million, 5.7 million and 1.0 million shares for a total of $22.2 million, $21.6 million and $3.9 million, respectively, thus completing the 2010 and 2011 repurchase programs. As of December 26, 2012, there are 3.5 million shares remaining to be repurchased under the 2012 repurchase program. Repurchased shares are included as treasury stock in the Consolidated Balance Sheets and the Consolidated Statements of Shareholders' Deficit.

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The entire disclosure for an entity's treasury stock, including the average cost per share, carrying basis for each class of treasury stock, description of share repurchase program authorized by an entity's board of directors, the number of shares repurchased, the cost of the shares repurchased, the remaining maximum dollar value of shares available for repurchase under the program, the treatment of the purchase price in excess of the current market value, number of shares held for each class of treasury stock, and other information necessary to a fair presentation.

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