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Financial Instruments and Fair Value Measurements - Recurring Fair Value Measurements (Detail) - USD ($) $ in Millions | Oct. 31, 2016 | Oct. 31, 2015
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Level 2 | Other long-term assets | Insurance annuity |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | $ 0.0 | $ 0.0
Fair Value, Measurements, Recurring |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 20.1 | 20.2
Fair Value, Measurements, Recurring | Prepaid expenses and other current assets | Foreign exchange hedges |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 0.3 | 0.3
Fair Value, Measurements, Recurring | Other current liabilities | Foreign exchange hedges |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | (0.3) | (0.2)
Fair Value, Measurements, Recurring | Other long-term assets | Insurance annuity |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 20.1 | 20.1
Fair Value, Measurements, Recurring | Level 1 |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 1 | Prepaid expenses and other current assets | Foreign exchange hedges |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 1 | Other current liabilities | Foreign exchange hedges |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 1 | Other long-term assets | Insurance annuity |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 2 |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 0.0 | 0.1
Fair Value, Measurements, Recurring | Level 2 | Prepaid expenses and other current assets | Foreign exchange hedges |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 0.3 | 0.3
Fair Value, Measurements, Recurring | Level 2 | Other current liabilities | Foreign exchange hedges |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | (0.3) | (0.2)
Fair Value, Measurements, Recurring | Level 3 |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 20.1 | 20.1
Fair Value, Measurements, Recurring | Level 3 | Prepaid expenses and other current assets | Foreign exchange hedges |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 3 | Other current liabilities | Foreign exchange hedges |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | 0.0 |
Fair Value, Measurements, Recurring | Level 3 | Other long-term assets | Insurance annuity |  |
Fair Value Assets Measured On Recurring Basis [Line Items] |  |
Foreign exchange hedges/Insurance annuity | $ 20.1 | $ 20.1

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- Definition Fair Value Assets Measured On Recurring Basis [Line Items] + References No definition available. + Details
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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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