XML 36 R23.htm IDEA: XBRL DOCUMENT v2.4.1.9

GOODWILL AND INTANGIBLE ASSETS - Goodwill Rollforward (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jan. 31, 2015
Goodwill [Roll Forward]
Beginning balance	$ 13.0us-gaap_Goodwill
Foreign currency translation	(0.2)us-gaap_GoodwillTranslationAdjustments
Ending balance	12.8us-gaap_Goodwill
Interconnect
Goodwill [Roll Forward]
Beginning balance	12.0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mei_InterconnectMember
Foreign currency translation	(0.2)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = mei_InterconnectMember
Ending balance	11.8us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mei_InterconnectMember
Power Products
Goodwill [Roll Forward]
Beginning balance	1.0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mei_PowerProductsMember
Foreign currency translation	0us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = mei_PowerProductsMember
Ending balance	$ 1.0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mei_PowerProductsMember

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_GoodwillRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

+ Details

Name:	us-gaap_GoodwillTranslationAdjustments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mei_InterconnectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mei_PowerProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: