Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v2.4.1.9
Debt (Details) (USD $)
3 Months Ended 0 Months Ended
May 02, 2015
Jun. 18, 2014
Apr. 07, 2015
Debt      
Maximum quarterly dividends on common stock per debt covenants $ 10,000,000mw_CommonStockQuarterlyDividendsRestrictionsUnderDebtCovenants    
Loss on extinguishment of debt 12,675,000us-gaap_GainsLossesOnExtinguishmentOfDebt    
Interest rate swap      
Debt      
Notional amount 520,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
   
Fixed rate payable (as a percent) 5.03%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
   
Applicable margin included in fixed rate (as a percent) 3.50%mw_DerivativeInstrumentApplicableMarginIncludedInFixedRatePayable
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
   
Interest rate swap | LIBOR      
Debt      
Period for interest rate basis for variable rate receivable 3 months    
Jos. A. Bank      
Debt      
Purchase price for the acquisition   1,800,000,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= mw_JosABankClothiersIncMember
 
Senior Notes      
Debt      
Aggregate principal amount of debt issued   600,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
 
Interest rate (as a percent)   7.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
 
2014 Credit Facilities | Term Loan      
Debt      
Aggregate principal amount of debt issued   1,100,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
 
Total variable interest rate (as a percent) 4.50%us-gaap_LongTermDebtPercentageBearingVariableInterestRate
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
   
Portion of term loan refinanced at a fixed rate 400,000,000us-gaap_LongtermDebtPercentageBearingFixedInterestAmount
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
   
Fixed rate on refinanced amount (as a percent) 5.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
   
Deferred financing costs incurred     3,600,000us-gaap_DebtIssuanceCosts
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Loss on extinguishment of debt     12,700,000us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Weighted average interest rate (as a percent) 4.93%us-gaap_LongtermDebtWeightedAverageInterestRate
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
   
2014 Credit Facilities | Term Loan | LIBOR      
Debt      
Period for variable rate basis 3 months    
Actual LIBOR rate (as a percent) 0.28%mw_DebtInstrumentActualReferenceRate
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
LIBOR floor rate (as a percent) 1.00%mw_DebtInstrumentVariableRateBasisFloor
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
Base rate margin (as a percent) 3.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
2014 Credit Facilities | ABL Facility      
Debt      
Credit facility 500,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
500,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
 
Amount drawn 0us-gaap_LineOfCredit
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
340,000,000us-gaap_LineOfCredit
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
 
Total credit facility with expansion feature 650,000,000mw_LineOfCreditFacilityMaximumExpandableBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
   
Letters of credit issued and outstanding 18,800,000us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
   
Borrowings available under credit facility 441,400,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
   
2014 Credit Facilities | ABL Facility | LIBOR      
Debt      
Period for variable rate basis 1 month    
Base rate margin (as a percent) 1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
2014 Credit Facilities | ABL Facility | Federal funds rate      
Debt      
Base rate margin (as a percent) 0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_VariableRateAxis
= mw_FederalFundsRateMember
   
2014 Credit Facilities | ABL Facility | Maximum      
Debt      
Varying interest rate margin (as a percent) 2.00%mw_VaryingInterestRateMargin
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Fees on amounts available to be drawn (as a percent) 2.00%mw_LettersOfCreditFacilityCommitmentFeePercentage
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Fees on unused commitments (as a percent) 0.375%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
2014 Credit Facilities | ABL Facility | Minimum      
Debt      
Fees on amounts available to be drawn (as a percent) 1.50%mw_LettersOfCreditFacilityCommitmentFeePercentage
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Fees on unused commitments (as a percent) 0.25%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_DebtInstrumentAxis
= mw_CreditFacilities2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Previous Credit Agreement      
Debt      
Repayment of obligations   $ 95,000,000us-gaap_RepaymentsOfLongTermDebt
/ us-gaap_DebtInstrumentAxis
= mw_ThirdAmendedAndRestatedCreditAgreementMember