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Shareholders' Equity - Summary of Restricted Stock Awards and Restricted Stock Units Activity (Details) - 2014 Incentive Plan - $ / shares	12 Months Ended
	Apr. 30, 2022	May 01, 2021	May 02, 2020
RSUs
Shares
Non-vested beginning balance (in shares)	927,611	3,100	187,844
Awarded (in shares)	46,300	949,712	0
Vested (in shares)	(37,520)	(25,201)	(176,994)
Forfeited and cancelled (in shares)	0	0	(7,750)
Non-vested ending balance (in shares)	936,391	927,611	3,100
Weighted average grant date fair value
Weighted average value - beginning balance (in dollars per share)	$ 28.50	$ 41.20	$ 34.55
Weighted average value, awarded (in dollars per share)	48.41	28.49	0
Weighted average value, vested (in dollars per share)	36.55	29.87	34.25
Weighted average value, forfeited (in dollars per share)	0	0	38.75
Weighted average value - ending balance (in dollars per share)	29.16	28.50	41.20
Executives and non-executive members of management | RSAs
Weighted average grant date fair value
Weighted average value - beginning balance (in dollars per share)	28.50	0	34.09
Weighted average value, awarded (in dollars per share)	0	28.50	0
Weighted average value, vested (in dollars per share)	0	0	33.89
Weighted average value, forfeited (in dollars per share)	0	0	34.25
Weighted average value - ending balance (in dollars per share)	$ 28.50	$ 28.50	$ 0
Executives and non-executive members of management | 2020 EBITDA Maximum Performance | RSAs
Shares
Non-vested beginning balance (in shares)	928,412	0	1,031,408
Awarded (in shares)	0	928,412	0
Vested (in shares)	0	0	(455,750)
Forfeited and cancelled (in shares)	0	0	(575,658)
Non-vested ending balance (in shares)	928,412	928,412	0

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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-Publisher FASB
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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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