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Description of Business and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Oct. 26, 2019 | Oct. 27, 2018 | Apr. 28, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Right-of-use assets | $ 28.6 |  |
Operating Lease, Liability | $ 29.3 |  |
Fiscal period duration | 182 days | 182 days |
Accounting Standards Update 2016-02 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Right-of-use assets |  |  | $ 27.6
Operating Lease, Liability |  |  | $ 28.1

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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