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Equity and Incentive Compensation Plans - Additional Information (Detail) (USD $)
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Preferred stock, shares authorized 2,000,000us-gaap_PreferredStockSharesAuthorized 2,000,000us-gaap_PreferredStockSharesAuthorized 2,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, par value $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare
Share-based Compensation $ 13,699,000us-gaap_ShareBasedCompensation $ 16,260,000us-gaap_ShareBasedCompensation $ 16,998,000us-gaap_ShareBasedCompensation
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense 5,600,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 6,200,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 7,900,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Excess tax benefits from stock-based compensation 1,880,000us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 3,027,000us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 9,229,000us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Proceeds from exercise of stock options 14,453,000us-gaap_ProceedsFromStockOptionsExercised 12,641,000us-gaap_ProceedsFromStockOptionsExercised 34,762,000us-gaap_ProceedsFromStockOptionsExercised
Long Term Performance, Compensation 5,000,000ann_Longtermperformancecompensationexpense 11,000,000ann_Longtermperformancecompensationexpense 18,500,000ann_Longtermperformancecompensationexpense
Long Term Performance, Unrecognized Compensation Cost 15,000,000ann_Longtermperformancecompensationexpensetotalcompensationnotyetrecognized    
Associate Discount Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation expense related to stock purchase plan $ 500,000us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_AwardTypeAxis
= ann_AssociateDiscountStockPurchasePlanMember
$ 500,000us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_AwardTypeAxis
= ann_AssociateDiscountStockPurchasePlanMember
$ 600,000us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_AwardTypeAxis
= ann_AssociateDiscountStockPurchasePlanMember
Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years    
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation Cost Not Yet Recognized, Period for Recognition 2 years 9 months 18 days    
Long Term Performance [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized Compensation Cost Long-Term Performance Compensation Plan, Remaining Weighted Average Service Period 2 years 6 months    
Associate Discount Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Eligible employee stock purchase price as a percentage of closing price 85.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
/ us-gaap_PlanNameAxis
= ann_AssociateDiscountStockPurchasePlanMember
   
Eligible employee stock purchase plan maximum payroll deduction 15.00%ann_EligibleEmployeeStockPurchasePlanMaximumPayrollDeduction
/ us-gaap_PlanNameAxis
= ann_AssociateDiscountStockPurchasePlanMember
   
Issuance pursuant to the Stock Purchase Plan (in shares) 62,895us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_PlanNameAxis
= ann_AssociateDiscountStockPurchasePlanMember
   
Stock Issued During Period, Average Discount Per Share $ 5.78ann_StockIssuedDuringPeriodEmployeeStockPurchasePlansAverageDiscountPerShare
/ us-gaap_PlanNameAxis
= ann_AssociateDiscountStockPurchasePlanMember
   
Shares available for future grant 1,289,633us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= ann_AssociateDiscountStockPurchasePlanMember