XML 44 R33.htm IDEA: XBRL DOCUMENT v3.8.0.1

COMMON STOCK AND STOCK-BASED COMPENSATION - Narrative (Details) - Two Thousand Fourteen Stock Plan - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Jul. 28, 2018	Jan. 27, 2018	Jul. 29, 2017	Jan. 28, 2017	Jan. 27, 2018	Jan. 28, 2017
Restricted Stock Awards (RSAs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Multiplier - Threshold Performance					50.00006%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, EBITDA Goal, Percentage of Likelihood		70.00%
Multiplier - Target Performance					100.00%
Multiplier - Maximum Performance					150.00006%
Restricted Stock Awards (RSAs) | Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		$ (5.4)		$ 1.4	$ (2.2)	$ 4.4
Allocated Share-based Compensation Expense, Amount Recorded to True-up Prior Periods		(6.0)			(6.0)
Restricted Stock Awards (RSAs) | Independent directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense					1.0
Number of shares issued (in shares)			24,000
Time-Based Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected expense					19.5
Compensation expense		$ 1.5		$ 1.4	$ 4.5	$ 4.2
Time-Based Restricted Stock Units (RSUs) | Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awarded (in shares)	23,175
Granted (in shares)		631,175			631,175
Outstanding (in shares)		567,175			567,175
Time-Based Restricted Stock Units (RSUs) | Percentage Vesting on April 28, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent					30.00%
Time-Based Restricted Stock Units (RSUs) | Percentage Vesting on April 27, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent					30.00%
Time-Based Restricted Stock Units (RSUs) | Percentage Vesting on May 2, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent					40.00%
2020 EBITDA Threshold Performance | Restricted Stock Awards (RSAs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares represented (in shares)					410,538
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, EBITDA Goal					$ 198.9
Expected expense					$ 12.9
2020 EBITDA Target Performance | Restricted Stock Awards (RSAs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares represented (in shares)					821,075
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, EBITDA Goal					$ 221.0
2020 EBITDA Maximum Performance | Restricted Stock Awards (RSAs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares represented (in shares)					1,231,613
2020 EBITDA Maximum Performance | Restricted Stock Awards (RSAs) | Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awarded (in shares)	117,113

X

- Definition

Allocated Share-based Compensation Expense, Amount Recorded to True-up Prior Periods

+ References

No definition available.

+ Details

Name:	mei_AllocatedSharebasedCompensationExpenseAmountRecordedtoTrueupPriorPeriods
Namespace Prefix:	mei_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Multiplier - Maximum Performance

+ References

No definition available.

+ Details

Name:	mei_MultiplierMaximumPerformance
Namespace Prefix:	mei_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Multiplier - Target Performance

+ References

No definition available.

+ Details

Name:	mei_MultiplierTargetPerformance
Namespace Prefix:	mei_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Multiplier - Threshold Performance

+ References

No definition available.

+ Details

Name:	mei_MultiplierThresholdPerformance
Namespace Prefix:	mei_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, EBITDA Goal

+ References

No definition available.

+ Details

Name:	mei_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsEBITDAGoal
Namespace Prefix:	mei_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, EBITDA Goal, Percentage of Likelihood

+ References

No definition available.

+ Details

Name:	mei_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsEBITDAGoalPercentageofLikelihood
Namespace Prefix:	mei_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Total Aggregate Grants Under the Plan

+ References

No definition available.

+ Details

Name:	mei_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsTotalAggregateGrantsUnderthePlan
Namespace Prefix:	mei_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The total compensation expense to be recorded over the vesting period.

+ References

No definition available.

+ Details

Name:	mei_SharebasedCompensationArrangementbySharebasedPaymentAwardTotalEstimatedCompensationExpenseoverVestingPeriod
Namespace Prefix:	mei_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Shared-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance-based Shares to be Issued

+ References

No definition available.

+ Details

Name:	mei_SharedbasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPerformancebasedSharestobeIssued
Namespace Prefix:	mei_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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

- Definition

Number of share instruments newly issued under a share-based compensation 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
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of vesting of share-based compensation awards.

+ 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 (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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_TitleOfIndividualAxis=us-gaap_ManagementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_DirectorMember
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_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	mei_PerformanceLevelAxis=mei_A2020EBITDAThresholdPerformanceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	mei_PerformanceLevelAxis=mei_A2020EBITDATargetPerformanceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	mei_PerformanceLevelAxis=mei_A2020EBITDAMaximumPerformanceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: