Consolidated Condensed Balance Sheets (Parenthetical) - USD ($) $ in Millions	Apr. 30, 2017	Oct. 31, 2016
Statement of Financial Position [Abstract]
Trade accounts receivable, allowance for doubtful accounts	$ 9.4	$ 8.5
Preferred stock, par value	$ 0.1	$ 0.1
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.1	$ 0.1
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	52,300,000	52,100,000
Treasury stock, shares	3,400,000	3,300,000