Fair Value Measures - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total assets	$ 583,184	$ 423,226
Total liabilities	272,117	253,708
Deferred compensation plan liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other long-term liabilities	269,737	249,822
Foreign currency derivative contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Prepaid and other current assets	9,320	7,380
Foreign Currency Contracts, Liability, Fair Value Disclosure	2,380
Accounts payable and accrued liabilities		3,886
Deferred compensation plan assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other long-term assets	269,737	249,822
Money market funds | Cash equivalents:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	304,127	166,024
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total assets	573,864	415,846
Total liabilities	269,737	249,822
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	269,737	249,822
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 assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other long-term assets	269,737	249,822
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	304,127	166,024
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total assets	9,320	7,380
Total liabilities	2,380	3,886
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) | Foreign currency derivative contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Prepaid and other current assets	9,320	7,380
Accounts payable and accrued liabilities	2,380	3,886
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 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) | 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 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