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Restructuring - Narrative (Details) - USD ($) $ in Millions		3 Months Ended			6 Months Ended
	Oct. 31, 2020	Oct. 31, 2020	May 02, 2020	Oct. 26, 2019	Oct. 31, 2020	Oct. 26, 2019
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	$ 2.8	$ 4.2	$ 0.2	$ 0.5	$ 7.6	$ 0.5
Expected Additional Restructuring Costs	$ 0.7	0.7			0.7
Selling and Administrative Expenses [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs		1.5			3.0
Cost of Products Sold [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs		$ 2.7			$ 4.6

X

- Definition

Amount expected to be recognized in earnings for the specified restructuring cost.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
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- Definition

Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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