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

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- Definition

Deferred RSU's

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No definition available.

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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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No definition available.

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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 shares issued under share-based payment arrangement.

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- Definition

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	3 Months Ended	12 Months Ended
	May 02, 2020	May 01, 2021	May 02, 2020	Apr. 27, 2019	Apr. 30, 2007
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense		$ 0.0
Compensation expense		0.0
2014 Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense		6.8	$ 0.3	$ 14.0
Compensation expense		$ 6.8	0.3	14.0
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)		917,000
Additional stock issuable, shares		458,500
Unrecognized stock-based compensation cost		$ 25.9
RSAs \| 2014 Incentive Plan \| Management
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense		0.0	(2.1)	10.9
RSAs vested percentage	69.00%
Allocated share-based compensation expense, amount recorded to true-up prior periods			5.2
Compensation expense		$ 0.0	$ (2.1)	$ 10.9
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	24,000
Stock-based compensation expense		$ 0.9	$ 0.9	$ 0.9
Compensation expense		0.9	0.9	0.9
RSUs \| 2014 Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation cost		$ 20.7
Number of restricted stock vested for which shares issued		25,201
Weighted average amortization period		2 years 7 months 6 days
RSUs \| 2014 Incentive Plan \| Management
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense		$ 5.9	1.5	2.2
Compensation expense		$ 5.9	$ 1.5	$ 2.2
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		$ 0.3
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