CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables)

12 Months Ended

Jan. 31, 2025

CASH, CASH EQUIVALENTS AND INVESTMENTS

Summary of investments

	2025		2024
Short-term investments	$	153,129	$	109,489
Available-for-sale securities		226,745		105,884
Total investments	$	379,874	$	215,373

Schedule of available-for-sale securities

	January 31, 2025
			Allowance for		Gross		Gross		Estimated
	Amortized		Credit		Unrealized		Unrealized		Fair
	Cost		Losses		Gains		Losses		Value
U.S. Treasury notes:
Due within one year	$	50,676	$	—	$	126	$	7	$	50,795
Due in one to three years		84,881		—		381		105		85,157
Due in three to five years		91,599		—		124		930		90,793
Totals	$	227,156	$	—	$	631	$	1,042	$	226,745

	January 31, 2024
			Allowance for		Gross		Gross		Estimated
	Amortized		Credit		Unrealized		Unrealized		Fair
	Cost		Losses		Gains		Losses		Value
U.S. Treasury notes:
Due in one to three years	$	96,217	$	—	$	568	$	230	$	96,555
U.S. corporate debt security:
Due in one to three years		9,406		—		—		77		9,329
Totals	$	105,623	$	—	$	568	$	307	$	105,884