Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 24, 2012	Dec. 31, 2011
Preferred Stock, No Par Value	$ 0	$ 0
Preferred Stock, Shares Authorized	500,000	500,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par Value Per Share	$ 1.66	$ 1.66
Common Stock, Shares Authorized	50,000,000	50,000,000
Common Stock, Shares Issued	13,751,000	13,727,000
Common Stock, Shares Outstanding	12,210,000	12,186,000
Treasury Stock, Shares	1,541,000	1,541,000