Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION (Details)

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STOCK BASED COMPENSATION (Details) (USD $)
In Millions, except Share data
3 Months Ended 6 Months Ended
Jul. 30, 2011
Jul. 31, 2010
Jul. 30, 2011
Jul. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense $ 10.6 $ 7.3 $ 19.6 $ 14.4
Restricted Stock Plans [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense 3.5 6.6 9.0 12.6
Equity instruments, other than stock options, vested in period (in shares)     0.7 0.7
Number of shares issued in period (in shares)     0.4 0.5
Maximum RSU's vested 0.1 0.1    
Restricted Stock Plans [Member] | Performance Based Awards [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense 4.5   4.9  
Restricted stock granted under service and performance awards (in shares)     0.1  
Vesting period (in years)     three  
Restricted Stock Plans [Member] | Service Based Awards [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense 2.0   4.0  
Restricted stock granted under service and performance awards (in shares)     0.4  
Fair value of restricted stock grants     22.1  
Vesting period (in years)     three  
Omnibus Incentive Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense 0.3   0.3  
Fair value of restricted stock grants     $ 0.7