Retirement, Pension and Other Postretirement Plans - Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 31, 2015	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Settlement loss	$ 1,572
Pension Plan, United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		$ 10,851	$ 8,071	$ 8,896
Interest cost		15,037	13,921	12,314
Expected return on plan assets		(18,316)	(17,297)	(15,241)
Amortization of prior service cost (credit)		121	237	157
Amortization of net actuarial (gain) loss		9,742	7,940	13,995
Settlement loss		516	632
Curtailment loss		68
Total benefit cost		18,019	13,504	20,121
Pension Plan, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		2,816	2,597	2,098
Interest cost		2,561	3,185	2,872
Expected return on plan assets		(1,589)	(1,772)	(1,512)
Amortization of prior service cost (credit)		(90)	(101)	(81)
Amortization of net actuarial (gain) loss		2,285	1,233	1,406
Settlement loss		1,319
Total benefit cost		$ 7,302	$ 5,142	$ 4,783