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Commitments and Contingencies - Litigation (Details) - USD ($) $ in Thousands | Apr. 27, 2019 | Apr. 28, 2018
--- | --- | ---
Loss Contingencies [Line Items] |  |
Provision for Loss on Contracts | $ 2,353 | $ 30
Unasserted Claim [Member] |  |
Loss Contingencies [Line Items] |  |
Loss Contingency, Estimate of Possible Loss |  | $ 1,904
Collectibility of Receivables [Member] |  |
Loss Contingencies [Line Items] |  |
Loss contingency accrual | 1,969 |
Live Events |  |
Loss Contingencies [Line Items] |  |
Provision for Loss on Contracts | $ 1,516 |

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