Accumulated other comprehensive loss - Summary of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 2,932,192	$ 2,598,060
Pension and other postretirement plan adjustments, net of tax of $163	(512)
Foreign currency translation adjustments (a)	(51,679)	43,943
Ending balance	2,876,611	2,723,967
Amortization of prior service costs and net actuarial losses, tax	163
Other Comprehensive Income (Loss), Net Investment Hedge, Tax	(8,518)
Other Comprehensive Income (Loss), Net Investment Hedge, Gross	28,520
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(184,840)	(196,441)
Foreign currency translation adjustments (a)	(51,679)	43,943
Ending balance	(236,007)	$ (152,957)
Cumulative translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(116,890)
Pension and other postretirement plan adjustments, net of tax of $163	0
Foreign currency translation adjustments (a)	(51,679)
Ending balance	(168,569)
Pension and postretirement  benefit plan adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(67,950)
Pension and other postretirement plan adjustments, net of tax of $163	(512)
Foreign currency translation adjustments (a)	0
Ending balance	$ (67,438)