Accumulated Other Comprehensive Loss - Summary of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Jul. 31, 2020	Apr. 30, 2020	Jan. 31, 2020	Jul. 31, 2019	Apr. 30, 2019	Jan. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income (loss), Beginning balance			$ (231,881)				$ (231,881)
Amortization of prior service costs and net actuarial losses, net of tax of $(3,026)	$ 2,621			$ 2,378			9,748	$ 5,328
Foreign currency translation adjustments	28,943	$ (21,227)	2,793	$ (7,172)	$ (9,064)	$ 16,463	10,509	$ 227
Accumulated other comprehensive loss, Ending balance	(211,624)						(211,624)
Cumulative Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income (loss), Beginning balance			(53,332)				(53,332)
Foreign currency translation adjustments							10,509
Accumulated other comprehensive loss, Ending balance	(42,823)						(42,823)
Pension And Postretirement Benefit Plan Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income (loss), Beginning balance			$ (178,549)				(178,549)
Amortization of prior service costs and net actuarial losses, net of tax of $(3,026)							9,748
Accumulated other comprehensive loss, Ending balance	$ (168,801)						$ (168,801)