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STOCK BASED COMPENSATION - Stock Incentive Plan (Details) - USD ($)
$ in Millions
3 Months Ended
May 03, 2020
May 05, 2019
Share-based Payment Arrangement [Abstract]    
Stock-based compensation expense $ 10.0 $ 13.9
Recognized income tax benefits associated with stock-based compensation expense 1.4 1.9
Tax benefits realized from certain transactions associated with stock plan 1.7 7.8
Discrete Net Excess Tax (Deficiencies) Benefits from Share-Based Compensation recognized in Provision for Income Taxes $ (4.5) $ 1.3