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Retirement, Pension and Other Postretirement Plans - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2016 | Oct. 31, 2017 | Oct. 31, 2016 | Oct. 31, 2015
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Expenses on retirement plan |  | $ 19,259 | $ 17,194 | $ 15,747
Defined contribution plan vesting period |  | 3 years |  |
Reductions in service costs associated with change in estimate | $ 1,200 |  |  |
Reductions in interest costs associated with change in estimate | $ 3,100 |  |  |
Retiree eligible age |  | 65 years |  |
Change in postretirement benefit estimates on service cost |  | $ 100 |  |
Change in postretirement benefit estimates on interest cost |  | $ 500 |  |
Equity Securities [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Percentage of target rate in return seeking assets |  | 35.00% |  |
Debt Securities [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Percentage of target rate in return seeking assets |  | 65.00% |  |
Pension Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Method used to amortize net gains and losses, description |  | Net actuarial gains or losses are amortized to expense on a plan-by-plan basis when they exceed the accounting corridor, which is set at 10% of the greater of the plan assets or benefit obligations. |  |
Accounting corridor, set percentage of greater of plan assets or benefit obligations |  | 10.00% |  |
Employer contribution in next fiscal year |  | $ 22,800 |  |
Pension Plans [Member] | United States [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement loss |  | $ (648) |  | (516)
Curtailment gain |  |  |  | (68)
Percentage of World wide pension assets |  | 91.00% |  |
Investments in common shares |  | 0 |  |
Pension Plans [Member] | International [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement loss |  | $ (363) | (160) | $ (1,319)
Curtailment gain |  |  | 1,526 |
Percentage of World wide pension assets |  | 9.00% |  |
Retirement Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Method used to amortize net gains and losses, description |  | Net actuarial gains or losses are amortized to expense on a plan-by-plan basis when they exceed the accounting corridor, which is set at 10% of the greater of the plan assets or benefit obligations. |  |
Accounting corridor, set percentage of greater of plan assets or benefit obligations |  | 10.00% |  |
Employer contribution in next fiscal year |  | $ 2,200 |  |
Due to Lump Sum Retirement Payments [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement loss |  | $ (1,011) | (160) |
Due to Plan Amendment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Curtailment gain |  |  | $ 1,526 |

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