Fair Value Measurements (Tables)

3 Months Ended

Jul. 25, 2020

Fair Value Disclosures [Abstract]

Fair value hierarchy for assets and liabilities measured at fair value on a recurring basis

The following table presents the fair value hierarchy for those assets we measured at fair value on a recurring basis at July 25, 2020 and April 25, 2020. There were no transfers into or out of Level 1, Level 2, or Level 3 for any of the periods presented.

At July 25, 2020
	Fair Value Measurements
(Unaudited, amounts in thousands)	Level 1		Level 2		Level 3		NAV(1)		Total
Assets
Marketable securities	$	—	$	20,608	$	—	$	7,195	$	27,803
Held-to-maturity investments	2,476		—		—		—		2,476
Cost basis investments	—		—		7,579		—		7,579
Total assets	$	2,476	$	20,608	$	7,579	$	7,195	$	37,858

At April 25, 2020
	Fair Value Measurements
(Unaudited, amounts in thousands)	Level 1		Level 2		Level 3		NAV(1)		Total
Assets
Marketable securities	$	—	$	31,691	$	—	$	6,515	$	38,206
Held-to-maturity investments	3,337		—		—		—		3,337
Cost basis investment	—		—		6,479		—		6,479
Total assets	$	3,337	$	31,691	$	6,479	$	6,515	$	48,022

(1)

Certain marketable securities investments are measured at fair value using net asset value per share under the practical expedient methodology.