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Description of Business and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2020 | Oct. 26, 2019 | Oct. 31, 2020 | Oct. 26, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Fiscal period duration | 91 days | 91 days | 182 days | 182 days
Covid19 |  |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |  |
Other Income | $ 3.3 |  | $ 6.2 |

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- Definition Amount of revenue and income classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.4) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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