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Fair Value Measures - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Oct. 31, 2018 | Oct. 31, 2017
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | $ 382,363 | $ 774,732
Total liabilities | 235,187 | 200,086
Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 212,165 | 197,542
Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | 212,165 | 197,542
Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 4,902 | 16,596
Accounts payable and accrued liabilities | 23,022 | 2,544
Money market funds | Cash equivalents: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 165,296 | 560,594
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 377,461 | 758,136
Total liabilities | 212,165 | 197,542
Quoted Prices in Active Markets for Identical Assets (Level 1) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 212,165 | 197,542
Quoted Prices in Active Markets for Identical Assets (Level 1) | Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | 212,165 | 197,542
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 0 | 0
Accounts payable and accrued liabilities | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market funds | Cash equivalents: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 165,296 | 560,594
Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 4,902 | 16,596
Total liabilities | 23,022 | 2,544
Significant Other Observable Inputs (Level 2) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 0 | 0
Significant Other Observable Inputs (Level 2) | Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | 0 | 0
Significant Other Observable Inputs (Level 2) | Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 4,902 | 16,596
Accounts payable and accrued liabilities | 23,022 | 2,544
Significant Other Observable Inputs (Level 2) | Money market funds | Cash equivalents: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 0 | 0
Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 0 | 0
Total liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | 0 | 0
Significant Unobservable Inputs (Level 3) | Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 0 | 0
Accounts payable and accrued liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Money market funds | Cash equivalents: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | $ 0 | $ 0

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