Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Oct. 31, 2015
Goodwill And Other Intangible Assets [Line Items]
Amortization expense	$ 4.2	$ 4.8
Future amortization expense, 2016	16.6
Future amortization expense, 2017	15.8
Future amortization expense, 2018	15.4
Future amortization expense, 2019	15.4
Future amortization expense, 2020	14.8
Flexible Products & Services [Member]
Goodwill And Other Intangible Assets [Line Items]
Accumulated goodwill impairment loss	$ 50.3		$ 50.3