Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
Oct. 01, 2011
Jan. 01, 2011
Assets    
Accumulated depreciation $ 40,737,395 $ 38,486,325
Shareholders' equity    
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, authorized shares (in shares) 12,000,000 12,000,000
Common stock, issued shares (in shares) 8,000,000 8,000,000
Common Stock in treasury shares (in shares) 1,674,156 1,710,591