Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity (Parenthetical)

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Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $)
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Cash dividends declared per common share (in dollars per share) $ 0.87 $ 0.7824 $ 0.63
Retained Earnings [Member]
     
Cash dividends declared per common share (in dollars per share) $ 0.87 $ 0.7824 $ 0.63