Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Jul. 31, 2019	Oct. 31, 2018
Statement of Financial Position [Abstract]
Trade accounts receivable, allowance	$ 22.6	$ 19.2
Property, plant and equipment, accumulated depreciation	188.7	153.9
Other intangible assets, accumulated amortization	$ 294.7	$ 250.4
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	500,000	500,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	66,392,045	66,004,361
Common stock, shares outstanding (in shares)	66,392,045	66,004,361