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Restructuring - Schedule of Restructuring Activity (Details) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2022 | May 01, 2021 | Apr. 30, 2022 | May 01, 2021
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Costs | $ 0.1 | $ 1.2 | $ 3.6 | $ 8.2
Employee Termination Benefits [Member] |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Costs | $ 0.1 | 0.7 | 0.4 |
Asset Impairment Charges [Member] |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Costs |  |  | 3.1 |
Contract Termination [Member] |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Costs |  | $ 0.5 | 0.1 |
Cash [Member] |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Costs |  |  | (1.6) |
Cash [Member] | Employee Termination Benefits [Member] |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Costs |  |  | (1.0) |
Cash [Member] | Contract Termination [Member] |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Costs |  |  | (0.6) |
Non Cash [Member] |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Costs |  |  | (3.1) |
Non Cash [Member] | Asset Impairment Charges [Member] |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Costs |  |  | $ (3.1) |

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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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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