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Long-Term Incentive Awards (Details) - USD ($)	3 Months Ended				12 Months Ended
Long-Term Incentive Awards (Details) - USD ($)	Jul. 30, 2022	Jul. 31, 2021	Aug. 01, 2020	Jul. 27, 2019	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Stock Based Compensation
Stock based compensation expense					$ 10,765,000	$ 5,390,000	$ 6,932,000
Exercisable period from grant date					3 years
LTIP
Stock Based Compensation
Stock based compensation expense					$ 8,495,000	4,594,000
Fiscal 2023 LTIP \| Performance based restricted stock units
Stock Based Compensation
Stock based compensation expense					2,690,000
Exercisable period from grant date	3 years
Fiscal 2023 LTIP \| Performance based restricted stock units \| 100% Vested
Stock Based Compensation
Vesting (as a percentage)	100.00%
Fiscal 2023 LTIP \| Performance based restricted stock units \| 50% Vested
Stock Based Compensation
Vesting (as a percentage)	50.00%
Fiscal 2023 LTIP \| Performance based restricted stock units \| 250% Vested
Stock Based Compensation
Vesting (as a percentage)	250.00%
Fiscal 2023 LTIP \| Performance based restricted stock units \| Maximum
Stock Based Compensation
Stock based compensation expense					12,342,000
Fiscal 2022 LTIP \| Performance based restricted stock units
Stock Based Compensation
Stock based compensation expense					846,000	752,000
Exercisable period from grant date		3 years
Fiscal 2022 LTIP \| Performance based restricted stock units \| 100% Vested
Stock Based Compensation
Vesting (as a percentage)		100.00%
Fiscal 2022 LTIP \| Performance based restricted stock units \| 50% Vested
Stock Based Compensation
Vesting (as a percentage)		50.00%
Fiscal 2022 LTIP \| Performance based restricted stock units \| 250% Vested
Stock Based Compensation
Vesting (as a percentage)		250.00%
Fiscal 2022 LTIP \| Performance based restricted stock units \| Maximum
Stock Based Compensation
Stock based compensation expense					9,823,000
Fiscal 2021 LTIP \| Performance based restricted stock units
Stock Based Compensation
Stock based compensation expense					354,000	(634,000)	1,072,000
Exercisable period from grant date			3 years
Fiscal 2021 LTIP \| Performance based restricted stock units \| 100% Vested
Stock Based Compensation
Vesting (as a percentage)			100.00%
Fiscal 2021 LTIP \| Performance based restricted stock units \| 50% Vested
Stock Based Compensation
Vesting (as a percentage)			50.00%
Fiscal 2021 LTIP \| Performance based restricted stock units \| 250% Vested
Stock Based Compensation
Vesting (as a percentage)			250.00%
Fiscal 2020 LTIP
Stock Based Compensation
Stock based compensation expense					$ 0
Fiscal 2020 LTIP \| Performance based restricted stock units
Stock Based Compensation
Stock based compensation expense						$ (701,000)	$ 620,000
Exercisable period from grant date				3 years
Issue of fully-vested shares of common stock to settle	5,678