Pension and Other Postretirement Plans - Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Pension Plans | United States
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5,766	$ 5,057
Interest cost	3,340	3,918
Expected return on plan assets	(6,753)	(6,159)
Amortization of prior service credit	(20)	(21)
Amortization of net actuarial loss	3,574	3,398
Total benefit cost	5,907	6,193
Pension Plans | International
Defined Benefit Plan Disclosure [Line Items]
Service cost	518	571
Interest cost	220	262
Expected return on plan assets	(391)	(330)
Amortization of prior service credit	(77)	(74)
Amortization of net actuarial loss	790	734
Total benefit cost	1,060	1,163
Postretirement Benefit Costs | United States
Defined Benefit Plan Disclosure [Line Items]
Service cost	176	190
Interest cost	454	614
Amortization of prior service credit	0	(4)
Amortization of net actuarial loss	347	419
Total benefit cost	977	1,219
Postretirement Benefit Costs | International
Defined Benefit Plan Disclosure [Line Items]
Service cost	4	4
Interest cost	3	3
Amortization of prior service credit	0	0
Amortization of net actuarial loss	(10)	(9)
Total benefit cost	$ (3)	$ (2)