Unaudited Condensed Consolidated Balance Sheets (Parentheticals) (USD $)	Jul. 02, 2011	Dec. 31, 2010
Common stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	8,243,784	8,243,784
Treasury stock, shares at cost	2,114,305	1,914,549
Preferred Stock [Member]
Preferred Stock, Par Value (in Dollars per share)	$ 0.10	$ 0.10
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Shares Issued	0	0
SeriesA Junior Participating Preferred Stock [Member]
Preferred Stock, Par Value (in Dollars per share)	$ 0.10	$ 0.10
Preferred Stock, Shares Authorized	10,000	10,000
Preferred Stock, Shares Issued	0	0