Pension and Other Postretirement Plans - Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Pension Plan, United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3,058	$ 2,761
Interest cost	3,211	3,934
Expected return on plan assets	(5,177)	(4,919)
Amortization of prior service cost (credit)	12	19
Amortization of net actuarial loss	2,327	1,926
Total benefit cost	3,431	3,721
Pension Plan, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	534	701
Interest cost	348	613
Expected return on plan assets	(285)	(387)
Amortization of prior service cost (credit)	(70)	(22)
Amortization of net actuarial loss	599	465
Total benefit cost	$ 1,126	$ 1,370