Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Apr. 30, 2020	Oct. 31, 2019
Statement of Financial Position [Abstract]
Trade accounts receivable, allowance	$ 34.9	$ 22.4
Property, plant and equipment, accumulated depreciation	220.4	199.5
Other intangible assets, accumulated amortization	$ 320.2	$ 309.0
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)	66,645,129	66,571,427
Common stock, shares outstanding (in shares)	66,645,129	66,571,427