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, 2018 USD ($)
United States [Member]
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Effect on total service and interest cost components increase in 2018	$ 516
Effect on postretirement obligation increase as of October 31, 2018	9,316
Effect on total service and interest cost components decrease in 2018	(411)
Effect on postretirement obligation decrease as of October 31, 2018	(7,659)
International [Member]
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Effect on total service and interest cost components increase in 2018	11
Effect on postretirement obligation increase as of October 31, 2018	120
Effect on total service and interest cost components decrease in 2018	(8)
Effect on postretirement obligation decrease as of October 31, 2018	$ (93)