Retirement, Pension and Other Postretirement Plans - Defined Benefit Plan Effect of One Percentage Point Change in Assumed Health Care Cost Trend Rates and Discount Rate (Detail) - Retirement Plans [Member] $ in Thousands	12 Months Ended
	Oct. 31, 2017 USD ($)
United States [Member]
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Effect on total service and interest cost components increase in 2017	$ 562
Effect on postretirement obligation increase as of October 31, 2017	10,637
Effect on total service and interest cost components decrease in 2017	(446)
Effect on postretirement obligation decrease as of October 31, 2017	(8,650)
International [Member]
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Effect on total service and interest cost components increase in 2017	10
Effect on postretirement obligation increase as of October 31, 2017	150
Effect on total service and interest cost components decrease in 2017	(8)
Effect on postretirement obligation decrease as of October 31, 2017	$ (115)