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Investments (Tables)

9 Months Ended

Jan. 30, 2021


	January 30,		April 30,
	2021		2020
Short-term investments:
Available-for-sale securities:
Municipal securities		25,709		5,244
U.S. government securities		13,019		33,771
Corporate bonds		9,771		8,492
Total short-term investments	$	48,499	$	47,507
Long-term investments:
Available-for-sale securities:
Municipal securities		989		1,592
U.S. government securities		4,003		8,996
Total available-for-sale investments		4,992		10,588
Equity method investments
Investment in limited partnership fund		6,230		4,442
Total equity method investments		6,230		4,442
Total long-term investments	$	11,222	$	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 January 30, 2021 and April 30, 2020, respectively (in thousands):


	January 30, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Municipal securities	$	26,691	$	12	$	(5)	$	26,698
U.S. government securities		17,017		5		—		17,022
Corporate bonds		9,771		1		(1)		9,771
Total available-for-sale investments	$	53,479	$	18	$	(6)	$	53,491


	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 January 30, 2021 were as follows (in thousands):


	Cost		Fair Value
Due within one year	$	48,494	$	48,499
Due after one year through five years		4,985		4,992
Total	$	53,479	$	53,491