Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015
Statement of Financial Position [Abstract]
Amount related to stock-based compensation	$ 2,719	$ 2,923
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	471,934	471,934
Preferred stock, shares outstanding	0.00	0.00
Common stock, par value	$ 0.166667	$ 0.166667
Common stock, shares authorized	1,200,000,000	1,200,000,000
Common stock, shares outstanding	307,349,804	312,060,682
Common stock Shares issued	307,349,804	312,060,682