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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, 2017 | Oct. 31, 2016
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | $ 774,732 | $ 813,504
Total liabilities | 200,086 | 183,195
Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 197,542 | 163,185
Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | 197,542 | 163,185
Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 16,596 | 4,652
Accounts payable and accrued liabilities | 2,544 | 20,010
Money market funds | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 560,594 | 499,274
Commercial paper | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 1,498
Commercial paper | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 25,431
U.S. government agency securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 13,603
Certificates of deposit | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 4,200
Certificates of deposit | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 12,849
Corporate debt securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 58,778
Asset-backed securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 22,146
Non-U.S. government agency securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 3,400
Other | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 4,488
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 758,136 | 666,947
Total liabilities | 197,542 | 163,185
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 | 197,542 | 163,185
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 | 197,542 | 163,185
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 | 560,594 | 499,274
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial paper | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial paper | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government agency securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Certificates of deposit | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Certificates of deposit | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S. government agency securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 4,488
Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 16,596 | 146,557
Total liabilities | 2,544 | 20,010
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 | 16,596 | 4,652
Accounts payable and accrued liabilities | 2,544 | 20,010
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 Other Observable Inputs (Level 2) | Commercial paper | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 1,498
Significant Other Observable Inputs (Level 2) | Commercial paper | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 25,431
Significant Other Observable Inputs (Level 2) | U.S. government agency securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 13,603
Significant Other Observable Inputs (Level 2) | Certificates of deposit | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 4,200
Significant Other Observable Inputs (Level 2) | Certificates of deposit | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 12,849
Significant Other Observable Inputs (Level 2) | Corporate debt securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 58,778
Significant Other Observable Inputs (Level 2) | Asset-backed securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 22,146
Significant Other Observable Inputs (Level 2) | Non-U.S. government agency securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 3,400
Significant Other Observable Inputs (Level 2) | Other | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 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
Significant Unobservable Inputs (Level 3) | Commercial paper | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 0
Significant Unobservable Inputs (Level 3) | Commercial paper | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Significant Unobservable Inputs (Level 3) | U.S. government agency securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Significant Unobservable Inputs (Level 3) | Certificates of deposit | Cash Equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 0
Significant Unobservable Inputs (Level 3) | Certificates of deposit | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Significant Unobservable Inputs (Level 3) | Corporate debt securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Significant Unobservable Inputs (Level 3) | Asset-backed securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Significant Unobservable Inputs (Level 3) | Non-U.S. government agency securities | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | 0
Significant Unobservable Inputs (Level 3) | Other | Short-term Investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  | $ 0

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