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Segment Information and Geographic Area Information - Narrative (Details)	12 Months Ended
	May 02, 2020
Segment Reporting [Abstract]
Reportable segments description	Prior to the acquisition, the Company's reportable segments were Automotive, Power, Interface and Other. As a result of this change, the Company's reportable segments are now Automotive, Industrial, Interface and Medical.

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- Definition

Reportable segments description.

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No definition available.

+ Details

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Namespace Prefix:	mei_
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Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration