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Shareholders' Equity - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 30, 2021 | Oct. 31, 2020 | Oct. 30, 2021 | Oct. 31, 2020
2014 Incentive Plan |  |  |  |
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] |  |  |  |
Stock-based compensation expense | $ 2.6 | $ 1.0 | $ 6.6 | $ 1.9
RSAs |  |  |  |
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] |  |  |  |
Shares granted in period (in shares) | 928,412 |  | 928,412 |
Additional stock issuable, shares | 464,206 |  | 464,206 |
Unrecognized stock-based compensation cost | $ 26.5 |  | $ 26.5 |
RSUs |  |  |  |
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] |  |  |  |
Deferred R S Us | 577,055 |  | 577,055 |
Stock Options | 2010 Plan and 2007 Plan |  |  |  |
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] |  |  |  |
Intrinsic value of options exercised |  |  | $ 0.2 |
Minimum | RSAs |  |  |  |
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] |  |  |  |
Vesting percentage |  |  | 0.00% |
Maximum | RSAs |  |  |  |
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] |  |  |  |
Vesting percentage |  |  | 100.00% |
Maximum | RSUs | 2014 Incentive Plan |  |  |  |
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] |  |  |  |
Vesting period |  |  | 5 years |

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