Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Narrative) (Details)

v3.3.0.814
STOCK-BASED COMPENSATION (Narrative) (Details)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2015
USD ($)
shares
Nov. 01, 2014
USD ($)
shares
Oct. 31, 2015
USD ($)
shares
Nov. 01, 2014
USD ($)
shares
Mar. 22, 2013
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense $ 10.5 $ 7.1 $ 38.3 $ 31.0  
Family Dollar Options | Family Dollar          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award Exchange Ratio     1.0    
Conversion of stock (shares) | shares     1.5    
Compensation Expense 1.9   $ 3.0    
Service Based Awards | Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock granted under service and performance awards (in shares) | shares     0.3    
Compensation Expense 2.0   $ 8.9    
Fair value 28.6   $ 28.6    
Service Based Awards | Family Dollar | Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock granted under service and performance awards (in shares) | shares     0.1    
Compensation Expense 0.5   $ 0.5    
Fair value 7.9   $ 7.9    
Performance Shares | Omnibus Incentive Plan | Restricted Stock Units (RSUs) | Certain officers | Ratable Annual Vesting          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock granted under service and performance awards (in shares) | shares     0.1    
Compensation Expense 0.6   $ 8.1    
Fair value 11.3   11.3    
Performance And Service Based Awards | Omnibus Incentive Plan | Restricted Stock Units (RSUs) | Certain officers | Vesting at End of Performance Period          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation Expense 0.1   1.2    
Fair value 2.1   2.1   $ 1.4
Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation Expense $ 4.4   $ 14.5    
Vested (shares) | shares 0.1 0.1 0.7 0.8  
Shares Issued in Period | shares     0.4 0.5  
Restricted Stock Units (RSUs) | Family Dollar          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Conversion of stock (shares) | shares     0.1    
Compensation Expense $ 0.6   $ 1.0    
2013 LTPP REGRANT | Performance And Service Based Awards | Omnibus Incentive Plan | Restricted Stock Units (RSUs) | Certain officers | Vesting at End of Performance Period          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation Expense 0.3   2.1    
Fair value $ 2.2   2.2    
2013 ORIGINAL LTPP GRANT | Performance And Service Based Awards | Omnibus Incentive Plan | Restricted Stock Units (RSUs) | Certain officers | Vesting at End of Performance Period          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation Expense     $ 1.2