Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Apr. 30, 2022	Oct. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total assets	$ 593,928	$ 680,175
Total liabilities	313,123	345,888
Deferred compensation plan liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other long-term liabilities	297,703	343,820
Foreign currency derivative contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Prepaid and other current assets	22,000	15,472
Accounts payable and accrued liabilities	15,420	2,068
Cash equivalents | Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	127,321	172,934
Short-term investments | U.S. government agency & T-bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	14,759	6,442
Short-term investments | Municipal bonds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	3,026	4,576
Short-term investments | Corporate debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	100,090	103,452
Short-term investments | Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	29,026	33,479
Deferred compensation plan assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other long-term assets	297,706	343,820
Quoted Prices in  Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total assets	425,027	516,754
Total liabilities	297,703	343,820
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	297,703	343,820
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
Accounts payable and accrued liabilities
Quoted Prices in  Active Markets for Identical Assets (Level 1) | Cash equivalents | Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	127,321	172,934
Quoted Prices in  Active Markets for Identical Assets (Level 1) | Short-term investments | U.S. government agency & T-bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments
Quoted Prices in  Active Markets for Identical Assets (Level 1) | Short-term investments | Municipal bonds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments
Quoted Prices in  Active Markets for Identical Assets (Level 1) | Short-term investments | Corporate debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments
Quoted Prices in  Active Markets for Identical Assets (Level 1) | Short-term investments | Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments
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	297,706	343,820
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total assets	168,901	163,421
Total liabilities	15,420	2,068
Significant Other Observable Inputs (Level 2) | Deferred compensation plan liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other long-term liabilities
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	22,000	15,472
Accounts payable and accrued liabilities	15,420	2,068
Significant Other Observable Inputs (Level 2) | Cash equivalents | Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents
Significant Other Observable Inputs (Level 2) | Short-term investments | U.S. government agency & T-bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	14,759	6,442
Significant Other Observable Inputs (Level 2) | Short-term investments | Municipal bonds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	3,026	4,576
Significant Other Observable Inputs (Level 2) | Short-term investments | Corporate debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	100,090	103,452
Significant Other Observable Inputs (Level 2) | Short-term investments | Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	29,026	33,479
Significant Other Observable Inputs (Level 2) | Deferred compensation plan assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other long-term assets
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
Significant Unobservable  Inputs (Level 3) | Foreign currency derivative contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Prepaid and other current assets
Accounts payable and accrued liabilities
Significant Unobservable  Inputs (Level 3) | Cash equivalents | Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents
Significant Unobservable  Inputs (Level 3) | Short-term investments | U.S. government agency & T-bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments
Significant Unobservable  Inputs (Level 3) | Short-term investments | Municipal bonds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments
Significant Unobservable  Inputs (Level 3) | Short-term investments | Corporate debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments
Significant Unobservable  Inputs (Level 3) | Short-term investments | Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments
Significant Unobservable  Inputs (Level 3) | Deferred compensation plan assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other long-term assets