Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Apr. 30, 2011	Oct. 31, 2010
Preferred Stock:
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	22,139,240	22,077,559
Common stock, shares outstanding	22,139,240	22,077,559
Series A Junior Participating Preferred Stock
Preferred Stock:
Preferred stock, par value	$ 100	$ 100
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Other Preferred Stock
Preferred Stock:
Preferred stock, shares authorized	4,500,000	4,500,000
Preferred stock, shares issued	0	0