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Fair Value Measurements - Additional Information (Details) - Level 3 $ in Millions | 3 Months Ended
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Jul. 25, 2020 USD ($) company
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |
Preferred share investments with common share warrant, number of privately-held companies | company | 2
Additional investments of level 3 assets in the privately held company | $ | $ 1.1

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- Definition The number of investments in privately-held companies in which the entity holds a warrant to purchase common shares. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Details
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