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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Jul. 31, 2011	Oct. 31, 2010
Condensed Consolidated Balance Sheets
Preferred stock, par value	$ 100	$ 100
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	240,000,000	240,000,000
Common stock, shares issued	172,156,307	153,744,438
Common stock, shares outstanding	172,156,307	153,744,438

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- Definition

Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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