Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions		Oct. 31, 2016	Oct. 31, 2015
Statement of Financial Position [Abstract]
Trade accounts receivable, allowance		$ 15.9	$ 8.6
Property, plant and equipment, accumulated depreciation	[1]	163.4	148.7
Other intangible assets, accumulated amortization	[2]	$ 157.0	$ 149.4
Preferred stock, par value (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 (usd per share)		$ 0.01	$ 0.01
Common stock, shares authorized		100,000,000	100,000,000
Common stock, shares issued		55,599,322	56,105,761
Common stock, shares outstanding		55,599,322	56,105,761

[1] For 2016, 2015, and 2014, depreciation expense was $32.6 million, $32.8 million, and $30.2 million, respectively.

[2] These intangible assets are being amortized over the expected period of benefit, with a weighted average life of approximately 13 years.