Accumulated Other Comprehensive Loss - Summary of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance			$ (103,199)
Amortization of prior service cost and net actuarial losses, net of tax	$ 2,045	$ 1,722	6,333	$ 5,180
Currency translation losses	(12,003)	$ (4,769)	(42,564)	$ (3,517)
Accumulated other comprehensive income (loss), Ending balance	(139,430)		(139,430)
Cumulative Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance			2,727
Currency translation losses			(42,564)
Accumulated other comprehensive income (loss), Ending balance	(39,837)		(39,837)
Pension And Postretirement Benefit Plan Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance			(105,926)
Amortization of prior service cost and net actuarial losses, net of tax			6,333
Accumulated other comprehensive income (loss), Ending balance	$ (99,593)		$ (99,593)