Fair Value Measurements (Tables)

12 Months Ended

Jan. 31, 2026

Fair Value Disclosures [Abstract]

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

The following table summarizes our financial assets that are measured at fair value on a recurring basis:

	January 31, 2026
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Level 1:
Cash equivalents(1)
Money market funds	$	248,251	$	—	$	—	$	248,251
Level 2:
Available-for-sale securities
Commercial paper	32,611		7		(6)		32,612
Corporate notes and bonds	425,648		806		(77)		426,377
U.S. governmental securities	13,498		1		(11)		13,488
Level 2 total	471,757		814		(94)		472,477
Total	$	720,008	$	814	$	(94)	$	720,728

	January 31, 2025
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Level 1:
Cash equivalents(1)
Money market funds	$	183,885	$	—	$	—	$	183,885
Level 2:
Available-for-sale securities
Commercial paper	31,367		12		(8)		31,371
Corporate notes and bonds	399,034		522		(378)		399,178
U.S. governmental securities	18,500		1		(21)		18,480
Level 2 total	448,901		535		(407)		449,029
Total	$	632,786	$	535	$	(407)	$	632,914

(1)Included in "cash and cash equivalents" in our consolidated balance sheets as of January 31, 2026 and 2025, in addition to cash of $354.1 million and $464.7 million

Schedule of Fair Value of Available-for-sale Marketable Securities by Remaining Contractual Maturities

The fair value of our available-for-sale securities as of January 31, 2026, by remaining contractual maturities, were as follows (in thousands):

Due in one year or less	$	264,084
Due in one to two years	208,393
	$	472,477