XML 20 R30.htm IDEA: XBRL DOCUMENT v2.4.1.9
Equity and Incentive Compensation Plans - Summary of Restricted Stock Activity (Parenthetical) (Detail) (Performance-Based Restricted Stock Awards)
 3 Months Ended
May 02, 2015
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]  
Restricted stock awards annual vesting period 3 years
Minimum
  
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage grantees earn of the value granted with respect to each tranche of the grant 50.00%ann_PercentageGranteesEarnOfValueGrantedWithRespectToEachTrancheOfGrant
/ us-gaap_AwardTypeAxis
= ann_PerformanceBasedRestrictedStockAwardsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Maximum
  
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage grantees earn of the value granted with respect to each tranche of the grant 200.00%ann_PercentageGranteesEarnOfValueGrantedWithRespectToEachTrancheOfGrant
/ us-gaap_AwardTypeAxis
= ann_PerformanceBasedRestrictedStockAwardsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember