Fair Value Measurements (Tables)

12 Months Ended

Oct. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2024:

			Fair Value Measurement Using
Description	Total		Quoted Prices in  Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Assets
Cash equivalents:
Money market funds	$	869,972	$	869,972	$	—	$	—
U.S. Treasury, agency & T-bills	7,985		—		7,985		—
Short-term investments:
U.S. Treasury, agency & T-bills	19,449		—		19,449		—
Corporate debt securities	105,256		—		105,256		—
Asset-backed securities	29,164		—		29,164		—
Prepaid and other current assets:
Foreign currency derivative contracts	8,851		—		8,851		—
Contingent consideration receivable	22,202		—		—		22,202
Other long-term assets:
Deferred compensation plan assets	386,757		386,757		—		—
Total assets	$	1,449,636	$	1,256,729	$	170,705	$	22,202
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	7,032	$	—	$	7,032	$	—
Other long-term liabilities:
Deferred compensation plan liabilities	386,757		386,757		—		—
Total liabilities	$	393,789	$	386,757	$	7,032	$	—

Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2023:

Description	Total		Fair Value Measurement Using
			Quoted Prices in  Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Assets
Cash equivalents:
Money market funds	$	10,129	$	10,129	$	—	$	—
U.S. Treasury, agency & T-bills	2,994		—		2,994		—
Short-term investments:
U.S. Treasury, agency & T-bills	15,689		—		15,689		—
Municipal bonds	499		—		499		—
Corporate debt securities	102,375		—		102,375		—
Asset-backed securities	33,076		—		33,076		—
Prepaid and other current assets:
Foreign currency derivative contracts	13,453		—		13,453		—
Other long-term assets:
Deferred compensation plan assets	297,180		297,180		—		—
Total assets	$	475,395	$	307,309	$	168,086	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	15,761	$	—	$	15,761	$	—
Other long-term liabilities:
Deferred compensation plan liabilities	297,180		297,180		—		—
Total liabilities	$	312,941	$	297,180	$	15,761	$	—