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Investments (Tables)

3 Months Ended

Aug. 01, 2020


	August 1,		April 30,
	2020		2020
Short-term investments:
Available-for-sale securities:
Municipal securities		1,348		5,244
U.S. government securities		69,986		33,771
Corporate bonds		—		8,492
Total short-term investments	$	71,334	$	47,507
Long-term investments:
Available-for-sale securities:
Municipal securities		—		1,592
U.S. government securities		15,004		8,996
Total available-for-sale investments		15,004		10,588
Equity method investments
Investment in limited partnership fund		5,334		4,442
Total equity method investments		5,334		4,442
Total long-term investments	$	20,338	$	15,030

Schedule of activity related to available-for-sale investments recorded in short-term and long-term investments

The following table is a summary of the activity related to the available-for-sale investments recorded in short-term and long-term investments as of August 1, 2020 and April 30, 2020, respectively (in thousands):


	August 1, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Municipal securities	$	1,345	$	3	$	—	$	1,348
U.S. government securities		84,977		14		(1)		84,990
Corporate bonds		—		—		—		—
Total available-for-sale investments	$	86,322	$	17	$	(1)	$	86,338


	April 30, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Municipal securities	$	6,807	$	29	$	—	$	6,836
U.S. government securities		42,730		41		(4)		42,767
Corporate bonds		8,495		—		(3)		8,492
Total available-for-sale investments	$	58,032	$	70	$	(7)	$	58,095

Schedule of amortized cost and fair value of the available-for-sale debt securities by contractual maturity

The amortized cost and fair value of the available-for-sale debt securities by contractual maturity at August 1, 2020 were as follows (in thousands):


	Cost		Fair Value
Due within one year	$	71,322	$	71,334
Due after one year through five years		15,000		15,004
Total	$	86,322	$	86,338