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v3.19.2

Fair Value Measurements - Hierarchy and Transfers (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 27, 2019 | Apr. 27, 2019
Assets |  |
Total assets | $ 62,458 | $ 57,421
Liabilities |  |
Contingent consideration liability | 7,900 |
Recurring basis |  |
Liabilities |  |
Transfers from Level 1 to Level 2 assets | 0 | 0
Transfers from Level 2 to Level 1 assets | 0 | 0
Transfers from Level 1 to Level 2 liabilities | 0 | 0
Transfers from Level 2 to Level 1 liabilities | 0 | 0
Transfers into Level 3 assets | 0 | 0
Transfers out of Level 3 assets | 0 | 0
Transfers into Level 3 liabilities | 0 | 0
Transfers out of Level 3 liabilities | 0 | 0
Recurring basis | Level 1 |  |
Assets |  |
Marketable securities | 10 | 5
Held-to-maturity investments | 3,454 | 3,341
Total assets | 3,464 | 3,346
Recurring basis | Level 2 |  |
Assets |  |
Marketable securities | 35,627 | 34,390
Total assets | 35,627 | 34,390
Recurring basis | Level 3 |  |
Assets |  |
Cost basis investments | 11,979 | 11,979
Total assets | 11,979 | 11,979
Liabilities |  |
Contingent consideration liability | $ 7,900 | $ 7,900

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