INVESTMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Cash Equivalents, and Investments (Details) $ in Thousands	Jan. 31, 2026 USD ($)
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 327,583
Gross Unrealized Gains	64
Gross Unrealized Losses	(2)
Estimate Fair Value	327,645
Cash equivalents:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	170,651
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Estimate Fair Value	170,651
Cash equivalents: \| Money market funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	129,893
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Estimate Fair Value	129,893
Cash equivalents: \| Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	40,758
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Estimate Fair Value	40,758
Short-term investments:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	156,932
Gross Unrealized Gains	64
Gross Unrealized Losses	(2)
Estimate Fair Value	156,994
Short-term investments: \| Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	24,087
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Estimate Fair Value	24,087
Short-term investments: \| U.S. government and agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	103,458
Gross Unrealized Gains	38
Gross Unrealized Losses	0
Estimate Fair Value	103,496
Short-term investments: \| Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	29,387
Gross Unrealized Gains	26
Gross Unrealized Losses	(2)
Estimate Fair Value	$ 29,411

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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