Allocated Share-based Compensation Expense, Amount Recorded to True-up Prior Periods

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- Definition

Deferred RSU's

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- Definition

Percentage of share based compensation vested.

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- Definition

Share based compensation arrangement by share based payment award number of additional shares issuable.

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- Definition

Share based compensation arrangement by share based payment award shares outstanding.

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- Definition

Weighted average amortization period.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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- Definition

Number of shares issued under share-based payment arrangement.

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- Definition

An entity expecting to repurchase shares in the following period, generally discloses an estimate of the amount or range of shares to be repurchased.

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Percentage of vesting of award under share-based payment arrangement.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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- Definition

Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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Shareholders' Equity - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 30, 2022	May 01, 2021	May 02, 2020	Apr. 27, 2019
2014 Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 11.8	$ 6.8	$ 0.3
Deferred RSU's	121,200
2010 Stock Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Deferred RSU's	180,000
RSAs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted in period (in shares)	928,412
Additional stock issuable, shares	464,206
Unrecognized stock-based compensation cost	$ 26.5
RSAs \| Director
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted in period (in shares)	32,505
Deferred share	17,730
Deferred share outstanding	17,956
RSAs \| 2014 Incentive Plan \| Management
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
RSAs vested percentage			69.00%
Allocated share-based compensation expense, amount recorded to true-up prior periods			$ 5.2
Stock-based compensation expense	$ 0.0		$ (2.1)
RSAs \| 2014 Incentive Plan \| Director
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted in period (in shares)		33,000	30,000
Stock-based compensation expense	0.7	$ 0.9	$ 0.9
RSUs \| 2014 Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation cost	$ 13.2
Number of restricted stock vested for which shares issued	37,520
Weighted average amortization period	9 months 18 days
RSUs \| 2014 Incentive Plan \| Management
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 10.3	$ 5.9	$ 1.5
RSUs \| 2004 Stock Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares converted from RSAs to RSUs outstanding (in shares)	29,945
Converted RSUs delivered (in shares)	195,055
Share-based Payment Arrangement, Option \| 2010 Plan and 2007 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Intrinsic value of options exercised	$ 0.2
Deferred share outstanding	60,000	73,000	106,668	106,668
Converted from Restricted Stock Awards to Restricted Stock Units \| 2004 Stock Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares converted from RSAs to RSUs outstanding (in shares)	225,000
Minimum \| RSAs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage	0.00%
Maximum \| RSAs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage	100.00%
Maximum \| RSUs \| 2014 Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	5 years