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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
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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)

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- Definition Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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