CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $)	Oct. 01, 2011	Dec. 31, 2010
Treasury stock, shares	4,299,434	4,166,034
Nonvoting Common Stock
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized	50,000	50,000
Common stock, shares issued
Voting Common Stock
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	23,337,489	23,003,285
Common stock, shares Outstanding	19,038,055	18,837,251