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.