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Stock Options, Stock Grants and New Stock (Stock Award Activity) (Details) (2005 Stock Awards Plan [Member], Stock Awards [Member], USD $)
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Outstanding, beginning of the year (shares) 43,572 48,340 23,134
Granted (shares) 0 13,420 51,500
Vested (shares) (11,099) (12,290) (7,059)
Forfeited or expired (shares) 0 (19,198) (19,235)
Outstanding, end of the year (shares) 32,473 43,572 48,340
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Outstanding, beginning of the year, weighted average grant date fair value (dollars per share) $ 11.39 $ 10.47 $ 17.62
Granted, weighted average grant date fair value (dollars per share)   $ 11.55 $ 7.88
Vested, weighted average grant date fair value (dollars per share) $ 12.60 $ 12.81 $ 19.30
Forfeited or expired, weighted average grant date fair value (dollars per share)    $ 9.62 $ 8.89
Outstanding, end of the year, weighted average grant date fair value (dollars per share) $ 10.98 $ 11.39 $ 10.47
President of Palmer [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Granted (shares)   13,300  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Granted, weighted average grant date fair value (dollars per share)   $ 13.34