Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Jan. 31, 2018	Oct. 31, 2017
Statement of Financial Position [Abstract]
Trade accounts receivable, allowance	$ 15.5	$ 25.5
Property, plant and equipment, accumulated depreciation	147.6	136.4
Other intangible assets, accumulated amortization	$ 206.1	$ 189.1
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	65,686,394	65,502,568
Common stock, shares outstanding	65,686,394	65,502,568