Accumulated Other Comprehensive Loss - Summary of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance			$ (144,686)
Amortization of prior service cost and net actuarial losses, net of tax	$ 1,743	$ 2,045	5,231	$ 6,333
Currency translation gains	(8,148)	$ (12,003)	586	$ (42,564)
Accumulated other comprehensive income (loss), Ending balance	(138,869)		(138,869)
Cumulative Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance			(42,427)
Currency translation gains			586
Accumulated other comprehensive income (loss), Ending balance	(41,841)		(41,841)
Pension And Postretirement Benefit Plan Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance			(102,259)
Amortization of prior service cost and net actuarial losses, net of tax			5,231
Accumulated other comprehensive income (loss), Ending balance	$ (97,028)		$ (97,028)