Accumulated other comprehensive loss - Summary of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 2,294,375	$ 2,159,130
Pension and other postretirement plan adjustments, net of tax of ($195)	(576)	3,060
Foreign currency translation adjustments	76,821	(13,358)
Ending balance	2,446,685	2,218,628
Amortization of prior service costs and net actuarial losses, tax	195
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(207,782)	(175,835)
Foreign currency translation adjustments	76,821	(13,358)
Ending balance	(131,537)	$ (186,133)
Cumulative translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(160,046)
Pension and other postretirement plan adjustments, net of tax of ($195)	0
Foreign currency translation adjustments	76,821
Ending balance	(83,225)
Pension and postretirement  benefit plan adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(47,736)
Pension and other postretirement plan adjustments, net of tax of ($195)	(576)
Foreign currency translation adjustments	0
Ending balance	$ (48,312)