Pension and Other Postretirement Plans - Net Periodic Benefit Cost (Detail) - Pension Plans [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5,146	$ 3,740	$ 15,439	$ 10,895
Interest cost	3,970	4,736	11,913	13,726
Expected return on plan assets	(6,165)	(5,908)	(18,499)	(17,506)
Amortization of prior service credit	(21)	(16)	(63)	(46)
Amortization of net actuarial loss	3,510	1,938	10,529	5,026
Settlement loss	2,508		2,508
Total benefit cost	8,948	4,490	21,827	12,095
International [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	519	484	1,550	1,454
Interest cost	256	416	769	1,262
Expected return on plan assets	(313)	(397)	(948)	(1,204)
Amortization of prior service credit	(72)	(76)	(214)	(228)
Amortization of net actuarial loss	739	424	2,201	1,280
Total benefit cost	$ 1,129	$ 851	$ 3,358	$ 2,564