XML 58 R46.htm IDEA: XBRL DOCUMENT
v3.5.0.1

Shareholders' Equity - Summary of Restricted Stock Awards and Restricted Stock Units Activity (Details) - shares | 12 Months Ended
--- | ---
Apr. 30, 2016 | May 02, 2015 | May 03, 2014 | Apr. 28, 2012 | Apr. 30, 2011
2014 Incentive Plan | RSAs |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unvested and unissued - beginning balance (in shares) | 0 | 0 |  |  |
Awarded (in shares) | 1,185,000 | 13,500 |  |  |
Vested (in shares) | (24,000) | (13,500) |  |  |
Forfeited and cancelled (in shares) | 0 | 0 |  |  |
Unvested and unissued - ending balance (in shares) | 1,161,000 | 0 | 0 |  |
2014 Incentive Plan | RSUs |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unvested and unissued - beginning balance (in shares) | 0 | 0 |  |  |
Awarded (in shares) | 576,000 | 0 |  |  |
Vested (in shares) | 0 | 0 |  |  |
Forfeited and cancelled (in shares) | 0 | 0 |  |  |
Unvested and unissued - ending balance (in shares) | 576,000 | 0 | 0 |  |
2010 Stock Plan | RSAs |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unvested and unissued - beginning balance (in shares) | 66,667 | 700,000 | 700,000 |  |
Awarded (in shares) | 0 | 0 | 0 | 100,000 | 640,000
Vested (in shares) | (33,333) | (633,333) | 0 |  |
Forfeited and cancelled (in shares) | 0 | 0 | 0 |  |
Unvested and unissued - ending balance (in shares) | 33,334 | 66,667 | 700,000 |  |
2010 Stock Plan | RSUs |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unvested and unissued - beginning balance (in shares) | 0 | 60,000 | 120,000 |  |
Awarded (in shares) | 0 | 0 | 0 |  | 320,000
Vested (in shares) | 0 | (60,000) | (60,000) |  |
Forfeited and cancelled (in shares) | 0 | 0 | 0 |  |
Unvested and unissued - ending balance (in shares) | 0 | 0 | 60,000 |  |
2007 Stock Plan | RSAs |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unvested and unissued - beginning balance (in shares) | 0 | 0 | 0 |  |
Awarded (in shares) | 0 | 13,500 | 27,000 |  |
Vested (in shares) | 0 | (13,500) | (27,000) |  |
Forfeited and cancelled (in shares) | 0 | 0 | 0 |  |
Unvested and unissued - ending balance (in shares) | 0 | 0 | 0 |  |

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=mei_TwoThousandFourteenStockPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=mei_TwoThousandTenStockPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=mei_TwoThousandSevenStockPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |