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Commitments and Contingencies - Additional Information (Detail) ft² in Thousands, $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 10, 2014 USD ($) | Jan. 31, 2015 ft² Building | Oct. 31, 2015 USD ($) | Oct. 31, 2014 USD ($) | Oct. 31, 2013 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |
Rent expenses |  |  | $ 67.6 | $ 65.6 | $ 64.4
Number of buildings to be leased | Building |  | 2 |  |  |
Total square feet of buildings | ft² |  | 341 |  |  |
Lease renewal term, in years |  | 10 years |  |  |
Second lease renewal term, years |  | 9 years |  |  |
Mentor litigation |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Jury verdict assessing damages, value | $ 36.0 |  |  |  |

X
- Definition Second renewal term for lessee + References No definition available. + Details
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- Definition Jury verdict assessing damages in legal matter value. + References No definition available. + Details
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- Definition Square feet of buildings after enlargement + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 units (items of property) under operating lease arrangements. + References No definition available. + Details
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- Details
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