Consolidation of Variable Interest Entities - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Oct. 31, 2016
Variable Interest Entity [Line Items]
Restricted bank financial instruments under Buyer SPE	$ 50.9		$ 50.9
Interest income of Buyer SPE	0.6	$ 0.6
Net income (loss) attributable to noncontrolling interests	$ 2.6	1.2
Buyer Spe
Variable Interest Entity [Line Items]
Ownership interest	0.00%
STA Timber
Variable Interest Entity [Line Items]
Debt instrument, principal outstanding	$ 43.3		$ 43.3
Interest expense	0.6	0.6
Flexible Packaging JV
Variable Interest Entity [Line Items]
Net income (loss) attributable to noncontrolling interests	$ 0.6	$ (1.0)