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Financial Assets and Liabilities (Tables)
 6 Months Ended
Apr. 30, 2025
Financial Assets And Liabilities [Abstract]  
Schedule of Cash Equivalents and Short-Term Investments
As of April 30, 2025, the balances of our cash equivalents and short-term investments are as follows:
Amortized CostGross
Unrealized
Gains		Gross
Unrealized
Losses Less Than 12 Continuous Months		Gross
Unrealized
Losses 12 Continuous Months or Longer
Estimated
Fair Value(1)
 (in thousands)
Cash equivalents:
Money market funds$630,455 $— $— $— $630,455 
Total:$630,455 $— $— $— $630,455 
Short-term investments:
U.S. Treasury, agency & T-bills$15,009 $30 $— $— $15,039 
Corporate debt securities102,630 320 (45)— 102,905 
Asset-backed securities26,794 95 (5)(12)26,872 
Total:$144,433 $445 $(50)$(12)$144,816 
(1)See Note 9. Fair Value Measurements for further discussion on fair values.
The contractual maturities of our available-for-sale debt securities as of April 30, 2025 are as follows:
Amortized CostFair Value
(in thousands)
1 year or less
$75,105 $75,243 
1-5 years65,249 65,488 
5-10 years1,689 1,699 
>10 years2,390 2,386 
Total$144,433 $144,816 
As of October 31, 2024, the balances of our cash equivalents and short-term investments are as follows:
Amortized CostGross
Unrealized
Gains		Gross
Unrealized
Losses Less Than 12 Continuous Months		Gross
Unrealized
Losses 12 Continuous Months or Longer
Estimated
Fair Value(1)
 (in thousands)
Cash equivalents:
Money market funds$869,972 $— $— $— $869,972 
U.S. Treasury, agency & T-bills7,984 1 — — 7,985 
Total:$877,956 $1 $— $— $877,957 
Short-term investments:
U.S. Treasury, agency & T-bills$19,411 $44 $(6)$— $19,449 
Corporate debt securities105,024 349 (115)(2)105,256 
Asset-backed securities29,061 130 (7)(20)29,164 
Total:$153,496 $523 $(128)$(22)$153,869 
(1)See Note 9. Fair Value Measurements for further discussion on fair values.
Schedule of Cash, Cash Equivalents and Restricted Cash
The following table provides a reconciliation of cash, cash equivalents and restricted cash included in the condensed consolidated balance sheets and the condensed consolidated statements of cash flows:
As of
April 30, 2025October 31, 2024
(in thousands)
Cash and cash equivalents$14,119,095 $3,896,532 
Restricted cash included in prepaid and other current assets3,288 1,529 
Restricted cash included in other long-term assets1,050 668 
Cash, cash equivalents and restricted cash
$14,123,433 $3,898,729 
Schedule of Effects on Changes in Fair Values of Non-Designated Forward Contracts
The effects of the non-designated foreign currency derivative instruments in the condensed consolidated statements of income are summarized as follows:
 Three Months Ended 
 April 30,		Six Months Ended 
 April 30,
 2025202420252024
 (in thousands)
Gains (losses) recorded in other income (expense), net
$11,186 $(4,355)$6,765 $(1,066)
Schedule of Notional Amounts of Foreign Currency Derivative Instruments
The notional amounts in the table below for foreign currency derivative instruments provide one measure of the transaction volume outstanding:
As of
April 30, 2025October 31, 2024
 (in thousands)
Total gross notional amounts$1,243,451 $1,686,341 
Net fair value$2,959 $1,819 
Schedule of Fair Values of Foreign Currency Derivative Instrument Designated and Non-Designated as Hedging Instruments in Balance Sheet
The following table represents the condensed consolidated balance sheets location and amount of foreign currency derivative instrument fair values segregated between designated and non-designated hedge instruments:
Fair values of
derivative instruments
designated as hedging
instruments		Fair values of
derivative instruments
not designated as
hedging instruments
 (in thousands)
Balance at April 30, 2025
Other current assets$9,135 $5 
Accrued liabilities$6,037 $144 
Balance at October 31, 2024
Other current assets$8,839 $12 
Accrued liabilities$6,918 $114 
Schedule of Location of the Amounts of Gains and Losses on Derivative Instrument Fair Values for Designated Hedging Instruments, Net of Tax
The following table represents the location of the amount of gains and losses on derivative instrument fair values for designated hedge instruments, net of tax in the condensed consolidated statements of income:
Location of 
gains (losses) recognized in OCI on derivatives		Amount of 
gains (losses) recognized in OCI on
derivatives
(effective portion)		Location of
gains (losses)
reclassified from OCI		Amount of
gains (losses)
reclassified from
OCI
(effective portion)
 (in thousands)
Three months ended 
 April 30, 2025
Foreign exchange contractsRevenue$12,689 Revenue$1,282 
Foreign exchange contractsOperating expenses14,749 Operating expenses(3,069)
Interest rate contractsInterest expenses(73,146)Interest expenses(888)
Total$(45,708)$(2,675)
Three months ended 
 April 30, 2024
Foreign exchange contractsRevenue$(2,507)Revenue$(1,019)
Foreign exchange contractsOperating expenses(4,628)Operating expenses(137)
Total$(7,135)$(1,156)
Six months ended 
 April 30, 2025
Foreign exchange contractsRevenue$13,203 Revenue$280 
Foreign exchange contractsOperating expenses(2,142)Operating expenses(5,655)
Interest rate contractsInterest expenses(93,216)Interest expenses(888)
Total$(82,155)$(6,263)
Six months ended 
 April 30, 2024
Foreign exchange contractsRevenue$(2,565)Revenue$(4,282)
Foreign exchange contractsOperating expenses6,040 Operating expenses(152)
Total$3,475 $(4,434)