Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details)

v3.8.0.1
STOCK-BASED COMPENSATION (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 11.7 $ 11.4 $ 51.8 $ 48.7
Compensation Expense 0.3   $ 1.0  
Family Dollar Options | Family Dollar        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Conversion of stock (shares)     1.5  
Compensation Expense 0.4 1.1 $ 1.1 2.1
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)     0.5  
Compensation Expense 3.2   $ 12.6  
Fair value 42.5   $ 42.5  
Vesting period     3 years  
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)     0.2  
Compensation Expense 0.5   $ 11.9  
Fair value 18.4   $ 18.4  
Vesting period     3 years  
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 0.5   $ 2.4  
Fair value 4.6   $ 4.6  
Vesting period     3 years  
Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation Expense $ 5.7 $ 11.0 $ 20.3 $ 47.4
Vested (shares) 0.1 0.1 0.9 0.6
Shares Issued in Period 0.1   0.5 0.4