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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, 2019 USD ($)
United States [Member]
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Effect on total net postretirement benefit cost components increase in 2019	$ 494
Effect on postretirement obligation increase as of October 31, 2019	11,984
Effect on total net postretirement benefit cost components decrease in 2019	(400)
Effect on postretirement obligation decrease as of October 31, 2019	(9,800)
International [Member]
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Effect on total net postretirement benefit cost components increase in 2019	9
Effect on postretirement obligation increase as of October 31, 2019	108
Effect on total net postretirement benefit cost components decrease in 2019	(7)
Effect on postretirement obligation decrease as of October 31, 2019	$ (84)

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Pension Plans, Postretirement and Other Employee Benefits [Line Items]

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Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate.

+ References

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-Section 50
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Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate.

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Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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