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Fair Value Measurements (Tables)
6 Months Ended
Oct. 23, 2021
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 October 23, 2021 and April 24, 2021. There were no transfers into or out of Level 1, Level 2, or Level 3 for any of the periods presented.

At October 23, 2021
Fair Value Measurements
(Unaudited, amounts in thousands)Level 1Level 2Level 3NAV(1)Total
Assets
Marketable securities$— $37,580 $— $8,011 $45,591 
Held-to-maturity investments1,371 — — — 1,371 
Cost basis investments— — 7,579 — 7,579 
Total assets$1,371 $37,580 $7,579 $8,011 $54,541 
Liabilities
Contingent consideration liability$— $— $4,600 $— $4,600 

At April 24, 2021
Fair Value Measurements
(Unaudited, amounts in thousands)Level 1Level 2Level 3NAV(1)Total
Assets
Marketable securities$119 $37,572 $— $7,602 $45,293 
Held-to-maturity investments2,532 — — — 2,532 
Cost basis investment— — 7,579 — 7,579 
Total assets$2,651 $37,572 $7,579 $7,602 $55,404 
Liabilities
Contingent consideration liability$— $— $14,100 $— $14,100 
(1)Certain marketable securities investments are measured at fair value using net asset value per share under the practical expedient methodology.