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STOCK BASED COMPENSATION - Stock Incentive Plan (Details) - USD ($)
$ in Millions
3 Months Ended
May 05, 2019
May 06, 2018
Share-based Payment Arrangement [Abstract]    
Stock-based compensation expense $ 13.9 $ 11.6
Recognized income tax benefits associated with stock-based compensation expense 1.9 2.3
Tax benefits realized from transactions associated with stock plan 7.8 11.7
Discrete Net Excess Tax Benefits from Share-Based Compensation recognized in Provision for Income Taxes $ 1.3 $ 4.5