CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables)

9 Months Ended

Oct. 31, 2024

CASH, CASH EQUIVALENTS AND INVESTMENTS

Investments

	October 31,		January 31,
	2024		2024
Short-term investments	$	124,490	$	109,489
Available-for-sale securities		206,443		105,884
Total investments	$	330,933	$	215,373

Schedule of available-for-sale securities

	October 31, 2024
			Allowance for		Gross		Gross		Estimated
	Amortized		Credit		Unrealized		Unrealized		Fair
	Cost		Losses		Gains		Losses		Value
U.S. Treasury notes:
Due within one year	$	50,323	$	—	$	161	$	32	$	50,452
Due in one to three years		72,751		—		488		96		73,143
Due in three to five years		73,274		—		425		784		72,915
U.S. corporate debt security:
Due in one to three years		10,046		—		—		113		9,933
Totals	$	206,394	$	—	$	1,074	$	1,025	$	206,443

	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