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v3.20.2

Fair Value Measurements - Hierarchy and Transfers (Details) - USD ($) $ in Thousands | Oct. 24, 2020 | Apr. 25, 2020
--- | --- | ---
Assets |  |
Total assets | $ 50,388 | $ 48,022
Recurring basis |  |
Assets |  |
Marketable securities | 40,278 | 38,206
Held-to-maturity investments | 2,531 | 3,337
Cost basis investments | 7,579 | 6,479
Total assets | 50,388 | 48,022
Liabilities |  |
Contingent consideration liability | 2,500 |
Recurring basis | Level 1 |  |
Assets |  |
Marketable securities | 0 | 0
Held-to-maturity investments | 2,531 | 3,337
Cost basis investments | 0 | 0
Total assets | 2,531 | 3,337
Liabilities |  |
Contingent consideration liability | 0 |
Recurring basis | Level 2 |  |
Assets |  |
Marketable securities | 31,358 | 31,691
Held-to-maturity investments | 0 | 0
Cost basis investments | 0 | 0
Total assets | 31,358 | 31,691
Liabilities |  |
Contingent consideration liability | 0 |
Recurring basis | Level 3 |  |
Assets |  |
Marketable securities | 0 | 0
Held-to-maturity investments | 0 | 0
Cost basis investments | 7,579 | 6,479
Total assets | 7,579 | 6,479
Liabilities |  |
Contingent consideration liability | 2,500 |
Recurring basis | NAV |  |
Assets |  |
Marketable securities | 8,920 | 6,515
Held-to-maturity investments | 0 | 0
Cost basis investments | 0 | 0
Total assets | 8,920 | $ 6,515
Liabilities |  |
Contingent consideration liability | $ 0 |

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