XML 28 R61.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Material Customers (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
May 03, 2014 customer | Apr. 27, 2013 customer | Apr. 28, 2012 customer
Minimum |  |  |
Revenue, Major Customer [Line Items] |  |  |
Accounts receivable - collection terms | 30 days |  |
Maximum |  |  |
Revenue, Major Customer [Line Items] |  |  |
Accounts receivable - collection terms | 60 days |  |
Automotive |  |  |
Revenue, Major Customer [Line Items] |  |  |
Number of significant customers | 2 | 2 | 2
Accounts receivable | $ 85.6 | $ 40.7 |
Automotive | Maltese subsidiary |  |  |
Revenue, Major Customer [Line Items] |  |  |
Accounts receivable | $ 58.7 | $ 13.2 |
Automotive | Customer 1 |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of consolidated net sales | 36.40% | 19.90% | 18.70%
Automotive | Customer 2 |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of consolidated net sales | 14.50% | 16.70% | 18.50%

X
- Definition Accounts Receivable Collection Terms + References No definition available. + Details
Name: | mei_AccountsReceivableCollectionTerms
Namespace Prefix: | mei_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Significant Customers + References No definition available. + Details
Name: | mei_NumberOfSignificantCustomers
Namespace Prefix: | mei_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.9) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.5) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_AccountsReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration