Revenue (Details)	12 Months Ended
Apr. 27, 2024
Minimum
Accounts Receivable and Allowance for Doubtful Accounts [Line Items]
Accounts receivable collection terms	30 days
Maximum
Accounts Receivable and Allowance for Doubtful Accounts [Line Items]
Accounts receivable collection terms	45 days

Accounts receivable and allowance for doubtful accounts.

No definition available.

Name:	mei_AccountsReceivableandAllowanceforDoubtfulAccountsLineItems
Namespace Prefix:	mei_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration