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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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