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Retirement, Pension and Other Postretirement Plans - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2015 | Oct. 31, 2015 | Oct. 31, 2014 | Oct. 31, 2013
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Expenses on retirement plan |  | $ 15,747 | $ 14,423 | $ 12,955
Defined contribution plan vesting period |  | 3 years |  |
Settlement loss | $ (1,572) |  |  |
Equity Securities [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Percentage of target rate in return seeking assets |  | 45.00% |  |
Debt Securities [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Percentage of target rate in return seeking assets |  | 55.00% |  |
Due to Lump Sum Retirement Payments [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement loss |  | $ (593) | (632) |
Due to Plan Termination [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement loss |  | (1,242) |  |
Pension Plan, United States [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement loss |  | $ (516) | $ (632) |
Percentage of World wide pension assets |  | 89.00% |  |
Investments in common shares |  | 0 |  |
Pension Plan, International [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Settlement loss |  | $ (1,319) |  |
Percentage of World wide pension assets |  | 11.00% |  |
Components of Net Periodic Pension Cost [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Employer contribution in next fiscal year |  | $ 25,400 |  |
Components of Net Postretirement Benefit Cost [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Employer contribution in next fiscal year |  | $ 2,100 |  |

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- Definition The period of time in which a participant becomes fully vested in the defined contribution plan. + References No definition available. + Details
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- Definition Plan assets as percentage of world wide pension assets. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The number of employer shares or related party shares included in plan assets. + 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 (n) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. + 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 (g) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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