Consolidation of Variable Interest Entities - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2015
Variable Interest Entity [Line Items]
Restricted bank financial instruments under Buyer SPE	$ 50.9		$ 50.9		$ 50.9
Interest income of Buyer SPE	0.6	$ 0.6	1.8	$ 1.8
Net loss attributable to noncontrolling interests	(0.3)	(0.7)	(2.6)	1.5
STA Timber
Variable Interest Entity [Line Items]
Debt instrument, principal outstanding	43.3		43.3		$ 43.3
Interest expense	0.5	0.5	1.7	1.7
Flexible Packaging JV
Variable Interest Entity [Line Items]
Net loss attributable to noncontrolling interests	$ 1.9	$ 2.6	$ 4.5	$ 8.9