Pension and Other Postretirement Plans - Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2021	Jul. 31, 2020
Pension Plans | United States
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5,511	$ 5,146	$ 16,999	$ 15,439
Interest cost	3,414	3,970	10,248	11,913
Expected return on plan assets	(7,124)	(6,165)	(21,212)	(18,499)
Amortization of prior service credit	(7)	(21)	(48)	(63)
Amortization of net actuarial (gain) loss	3,643	3,510	11,259	10,529
Settlement loss	303	2,508	2,321	2,508
Total benefit cost	5,740	8,948	19,567	21,827
Pension Plans | International
Defined Benefit Plan Disclosure [Line Items]
Service cost	462	519	1,642	1,550
Interest cost	201	256	671	769
Expected return on plan assets	(395)	(313)	(1,217)	(948)
Amortization of prior service credit	(81)	(72)	(246)	(214)
Amortization of net actuarial (gain) loss	572	739	2,373	2,201
Settlement loss	0	0	0	0
Total benefit cost	759	1,129	3,223	3,358
Postretirement Benefit Costs | United States
Defined Benefit Plan Disclosure [Line Items]
Service cost	191	187	584	520
Interest cost	444	657	1,354	1,830
Amortization of prior service credit	0	(5)	0	(13)
Amortization of net actuarial (gain) loss	334	380	1,019	1,057
Total benefit cost	969	1,219	2,957	3,394
Postretirement Benefit Costs | International
Defined Benefit Plan Disclosure [Line Items]
Service cost	4	4	11	11
Interest cost	3	3	9	10
Amortization of prior service credit	0	0	0	0
Amortization of net actuarial (gain) loss	(11)	(9)	(30)	(27)
Total benefit cost	$ (4)	$ (2)	$ (10)	$ (6)