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Commitments and Contingencies - Narrative (Details) $ in Millions	12 Months Ended
	May 02, 2020 USD ($) site	Apr. 27, 2019 USD ($)	Apr. 28, 2018 USD ($)	Mar. 02, 2020 USD ($)
Loss Contingencies [Line Items]
Site contingency, number of sites subject to environmental investigation or remediation | site	2
Accrual for environmental loss contingencies	$ 0.9	$ 1.1
Environmental remediation expense	0.5	0.1	$ 0.3
Compensatory Damages
Loss Contingencies [Line Items]
Gain Contingency, Unrecorded Amount				$ 102.0
Punitive Damages
Loss Contingencies [Line Items]
Gain Contingency, Unrecorded Amount				$ 11.0
Other accrued expenses
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	$ 0.6	$ 0.8

X

- Definition

Site Contingency, Number of Sites Subject to Environmental Investigation or Remediation

+ References

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

+ References

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