Pension and Other Postretirement Plans - Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Pension Plan, United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2,716	$ 2,018	$ 8,147	$ 6,053
Interest cost	3,761	3,480	11,284	10,441
Expected return on plan assets	(4,579)	(4,324)	(13,737)	(12,972)
Amortization of prior service cost (credit)	30	59	90	177
Amortization of net actuarial loss	2,443	1,985	7,329	5,955
Total benefit cost	4,371	3,218	13,113	9,654
Pension Plan, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	697	691	2,130	2,102
Interest cost	641	783	1,940	2,392
Expected return on plan assets	(405)	(430)	(1,217)	(1,309)
Amortization of prior service cost (credit)	(22)	(20)	(68)	(59)
Amortization of net actuarial loss	492	384	1,801	1,170
Settlement loss			1,275
Total benefit cost	$ 1,403	$ 1,408	$ 5,861	$ 4,296