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Shareholders' Equity - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jan. 29, 2022
Jan. 30, 2021
Jan. 29, 2022
Jan. 30, 2021
2014 Incentive Plan        
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]        
Stock-based compensation expense $ 2.6 $ 2.4 $ 9.2 $ 4.3
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