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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 | Jul. 31, 2016 | Oct. 31, 2015
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | $ 716,551 | $ 533,143
Total liabilities | 184,821 | 168,743
Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 3,109 | 6,462
Accounts payable and accrued liabilities | 20,391 | 10,281
Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 164,430 | 158,462
Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | 164,430 | 158,462
Money market funds | Cash equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 403,070 | 233,839
Commercial paper | Cash equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 1,834
Commercial paper | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 20,681 | 12,129
Certificates of deposit | Cash equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 2,400 | 3,500
Certificates of deposit | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 17,500 | 9,800
U.S. government agency securities | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 17,019 | 12,614
Municipal bonds | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 700 | 1,403
Corporate debt securities | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 61,301 | 67,188
Asset-backed securities | Cash equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 299
Asset-backed securities | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 20,431 | 24,608
Non-U.S. government agency securities | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 1,003 | 1,005
Other | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 4,907 |
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 572,407 | 392,301
Total liabilities | 164,430 | 158,462
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) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 164,430 | 158,462
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 | 164,430 | 158,462
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 | 403,070 | 233,839
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 | 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 | 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 | 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 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal bonds | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 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 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities | 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) | Asset-backed securities | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 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 | 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 | 4,907 |
Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 144,144 | 140,842
Total liabilities | 20,391 | 10,281
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 | 3,109 | 6,462
Accounts payable and accrued liabilities | 20,391 | 10,281
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) | 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 |  | 1,834
Significant Other Observable Inputs (Level 2) | Commercial paper | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 20,681 | 12,129
Significant Other Observable Inputs (Level 2) | Certificates of deposit | Cash equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 2,400 | 3,500
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 | 17,500 | 9,800
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 | 17,019 | 12,614
Significant Other Observable Inputs (Level 2) | Municipal bonds | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 700 | 1,403
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 | 61,301 | 67,188
Significant Other Observable Inputs (Level 2) | Asset-backed securities | Cash equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 299
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 | 20,431 | 24,608
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 | 1,003 | 1,005
Significant Other Observable Inputs (Level 2) | Other | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments |  |
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) | 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) | 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) | 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 | 0
Significant Unobservable Inputs (Level 3) | Certificates of deposit | Cash equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 0 | 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 | 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 | 0
Significant Unobservable Inputs (Level 3) | Municipal bonds | Short-term investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 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 | 0
Significant Unobservable Inputs (Level 3) | Asset-backed securities | Cash equivalents |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 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 | 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 | $ 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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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e24584-111560 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Available-for-Sale Securities -URI http://asc.fasb.org/extlink&oid=6505594 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph a, f, g -Article 7 + Details
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