Accumulated other comprehensive loss - Summary of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Jul. 31, 2023	Apr. 30, 2023	Jan. 31, 2023	Jul. 31, 2022	Apr. 30, 2022	Jan. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 2,497,002	$ 2,446,685	$ 2,294,375	$ 2,190,616	$ 2,218,628	$ 2,159,130	$ 2,294,375	$ 2,159,130
Pension and other postretirement plan adjustments, net of tax of ($305)	(159)			1,848			(908)	7,686
Foreign currency translation adjustments (a)	3,455	(290)	76,821	(21,220)	(46,901)	(13,358)	79,986	(81,479)
Ending balance	2,579,806	2,497,002	2,446,685	2,199,045	2,190,616	2,218,628	2,579,806	2,199,045
Amortization of prior service costs and net actuarial losses, tax							305
Other Comprehensive Income (Loss), Net Investment Hedge, Tax							1,097
Other Comprehensive Income (Loss), Net Investment Hedge, Net of Tax	1,144						(2,467)
Other Comprehensive Income (Loss), Net Investment Hedge, Gross							(3,672)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(132,000)	(131,537)	(207,782)	(198,209)	(186,133)	(175,835)	(207,782)	(175,835)
Foreign currency translation adjustments (a)	3,455	(290)	76,821	(21,220)	(46,901)	(13,358)
Ending balance	(128,704)	$ (132,000)	(131,537)	$ (217,581)	$ (198,209)	$ (186,133)	(128,704)	$ (217,581)
Cumulative translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			(160,046)				(160,046)
Pension and other postretirement plan adjustments, net of tax of ($305)							0
Foreign currency translation adjustments (a)							79,986
Ending balance	(80,060)						(80,060)
Pension and postretirement  benefit plan adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			$ (47,736)				(47,736)
Pension and other postretirement plan adjustments, net of tax of ($305)							(908)
Foreign currency translation adjustments (a)							0
Ending balance	$ (48,644)						$ (48,644)