XML 28 R35.htm IDEA: XBRL DOCUMENT v2.4.1.9
Earnings per Share - Additional Information (Details)
 3 Months Ended
May 02, 2015
May 03, 2014
Earnings Per Share [Line Items]    
Anti dilutive shares 483,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 565,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Shares of restricted stock outstanding 1,683,623dxlg_SharesOfUnvestedRestrictedStockOutstanding  
Unvested performance-based restricted stock    
Earnings Per Share [Line Items]    
Securities excluded from computation of earnings per share, respective performance targets not yet achieved, amount 933,486dxlg_SecuritiesExcludedFromComputationOfEarningsPerShareRespectivePerformanceTargetsNotYetAchievedAmount
/ us-gaap_AwardTypeAxis
= dxlg_PerformanceBasedRestrictedStockMember		 901,715dxlg_SecuritiesExcludedFromComputationOfEarningsPerShareRespectivePerformanceTargetsNotYetAchievedAmount
/ us-gaap_AwardTypeAxis
= dxlg_PerformanceBasedRestrictedStockMember
Performance-Based Stock Options and Restricted Stock Awards    
Earnings Per Share [Line Items]    
Securities excluded from computation of earnings per share, respective performance targets not yet achieved, amount 1,162,047dxlg_SecuritiesExcludedFromComputationOfEarningsPerShareRespectivePerformanceTargetsNotYetAchievedAmount
/ us-gaap_AwardTypeAxis
= dxlg_PerformanceBasedStockOptionsAndRestrictedStockAwardsMember		 1,117,547dxlg_SecuritiesExcludedFromComputationOfEarningsPerShareRespectivePerformanceTargetsNotYetAchievedAmount
/ us-gaap_AwardTypeAxis
= dxlg_PerformanceBasedStockOptionsAndRestrictedStockAwardsMember
Stock options    
Earnings Per Share [Line Items]    
Anti dilutive shares 1,467,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember		 1,948,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember
Stock options | Minimum    
Earnings Per Share [Line Items]    
Share-based compensation arrangement, expiration date May 09, 2015  
Stock options | Maximum    
Earnings Per Share [Line Items]    
Share-based compensation arrangement, expiration date Nov. 10, 2024  
Unvested time-based restricted stock    
Earnings Per Share [Line Items]    
Anti dilutive shares 766,337us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= dxlg_TimeBasedRestrictedStockMember		 901,715us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= dxlg_TimeBasedRestrictedStockMember