CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2015	Oct. 31, 2014
Consolidated Balance Sheets
Customers, allowance for doubtful accounts (in dollars)	$ 1,378	$ 1,481
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, authorized voting shares	1,000,000	1,000,000
Preferred stock, authorized non-voting shares	850,000	850,000
Preferred stock, issued voting shares	0	0
Preferred stock, outstanding voting shares	0	0
Preferred stock, outstanding non-voting shares	0	0
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, authorized shares	175,000,000	175,000,000
Common stock, issued shares	54,650,916	55,678,419
Common stock, outstanding shares	54,650,916	55,678,419