Marketable Securities - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Jul. 31, 2026	Oct. 31, 2025
Marketable Securities [Line Items]
Amortized Cost		$ 185,492
Unrealized Gains		163
Unrealized Losses		(35)
Aggregate Fair Value		185,620
Cash Equivalents and Short Term Investments
Marketable Securities [Line Items]
Amortized Cost	$ 244,431	176,994
Unrealized Gains	8	138
Unrealized Losses	(347)	(34)
Aggregate Fair Value	244,092	177,098
Cash Equivalents and Short Term Investments \| Money Market Funds
Marketable Securities [Line Items]
Amortized Cost	15,640	8,642
Aggregate Fair Value	15,640	8,642
Cash Equivalents and Short Term Investments \| U.S. Government Treasuries
Marketable Securities [Line Items]
Amortized Cost	215,071	146,984
Unrealized Gains	8	131
Unrealized Losses	(337)	(25)
Aggregate Fair Value	214,742	147,090
Cash Equivalents and Short Term Investments \| Government Agency Securities
Marketable Securities [Line Items]
Amortized Cost	13,720	21,368
Unrealized Gains	0	7
Unrealized Losses	(10)	(9)
Aggregate Fair Value	$ 13,710	21,366
Long-term Investments
Marketable Securities [Line Items]
Amortized Cost		8,498
Unrealized Gains		25
Unrealized Losses		(1)
Aggregate Fair Value		8,522
Long-term Investments \| U.S. Government Treasuries
Marketable Securities [Line Items]
Amortized Cost		8,498
Unrealized Gains		25
Unrealized Losses		(1)
Aggregate Fair Value		$ 8,522

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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