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Balance Sheet Components - Assets held for sale - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended
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Nov. 02, 2024 | Oct. 28, 2023
Balance Sheet Components [Abstract] |  |
Non-core real estate assets, aggregate carrying value | $ 2.0 |
Gain on sale of assets | $ 0.3 | $ (0.5)

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- Definition Balance Sheet Components [Abstract] + References No definition available. + Details
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Namespace Prefix: | mei_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Non-core real estate assets, carrying value . + References No definition available. + Details
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Namespace Prefix: | mei_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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Balance Type: | credit
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