Retirement, Pension and Other Postretirement Plans - Net Postretirement Benefit Cost (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Postretirement Benefit Plans, United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 979	$ 1,037	$ 1,145
Interest cost	2,946	3,062	2,598
Amortization of prior service cost (credit)	(438)	(449)	(473)
Amortization of net actuarial (gain) loss	1,104	1,435	2,112
Total benefit cost	4,591	5,085	5,382
Postretirement Benefit Plans, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	29	28	35
Interest cost	35	38	38
Amortization of net actuarial (gain) loss		(13)	(4)
Total benefit cost	$ 64	$ 53	$ 69