Fair Value Measurements (Tables)

9 Months Ended

Jan. 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 and liabilities we measured at fair value on a recurring basis at January 25, 2020 and April 27, 2019. There were no transfers into or out of Level 1, Level 2, or Level 3 for any of the periods presented.

At January 25, 2020
	Fair Value Measurements
(Unaudited, amounts in thousands)	Level 1		Level 2		Level 3		NAV(1)		Total
Assets
Marketable securities	$	4	$	33,417	$	—	$	7,372	$	40,793
Held-to-maturity investments	3,542		—		—		—		3,542
Cost basis investments	—		—		6,479		—		6,479
Total assets	$	3,546	$	33,417	$	6,479	$	7,372	$	50,814
Liabilities
Contingent consideration liability	$	—	$	—	$	7,900	$	—	$	7,900

At April 27, 2019
	Fair Value Measurements
(Unaudited, amounts in thousands)	Level 1		Level 2		Level 3		NAV(1)		Total
Assets
Marketable securities	$	5	$	34,390	$	—	$	7,706	$	42,101
Held-to-maturity investments	3,341		—		—		—		3,341
Cost basis investment	—		—		11,979		—		11,979
Total assets	$	3,346	$	34,390	$	11,979	$	7,706	$	57,421
Liabilities
Contingent consideration liability	$	—	$	—	$	7,900	$	—	$	7,900

(1)

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