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STOCK-BASED COMPENSATION Stock Incentive Plan (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Feb. 02, 2020
Feb. 03, 2019
Feb. 04, 2018
Jan. 29, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 3.9      
Stock-based compensation expense $ 56.1 $ 56.2 $ 44.9  
Recognized income tax benefits associated with stock-based compensation expense 6.9 8.9 8.8  
Tax deduction associated with stock plan award transactions 8.8 13.2 27.2  
Net excess tax benefit from awards under stock plans $ 0.9 $ 4.9 $ 15.4  
Additional Paid-in Capital [Member] | Accounting Standards Update 2016-09 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Cumulative Effect of New Accounting Principle in Period of Adoption       $ 1.1
Retained Earnings [Member] | Accounting Standards Update 2016-09 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Cumulative Effect of New Accounting Principle in Period of Adoption       (0.8)
Other Assets [Member] | Accounting Standards Update 2016-09 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Cumulative Effect of New Accounting Principle in Period of Adoption       $ 0.3