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Condensed Consolidated Balance Sheets Balance Sheet Parentheticals (USD $)
In Thousands, except Per Share data, unless otherwise specified
Mar. 31, 2013
Dec. 30, 2012
Balance Sheet Parantheticals [Abstract]    
Common Stock, Par Value Per Share $ 0.10 $ 0.10
Common Stock, Shares Authorized 1,500,000 1,500,000
Common Stock, Shares Issued 470,424 470,424
Treasury Stock, Shares 77,236 78,051