Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Designated Interest Rate Swap (Details)

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DERIVATIVE FINANCIAL INSTRUMENTS - Designated Interest Rate Swap (Details) - Designated as hedging instruments - USD ($)
$ in Millions
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Apr. 30, 2017
Jan. 31, 2015
Interest rate swap        
Derivative Financial Instruments        
Fair value of the interest rate swap $ 3.7      
Hedge ineffectiveness 0.0 $ 0.0    
Effective portion of the loss expected to be reclassified from accumulated other comprehensive (loss) income into earnings over the next 12 months (0.1)      
Interest rate swap matures in August 2018        
Derivative Financial Instruments        
Notional amount $ 70.0     $ 520.0
Fixed rate payable (as a percent) 5.03%      
Applicable margin included in fixed rate (as a percent) 3.50%      
Interest rate swap matures in August 2018 | LIBOR        
Derivative Financial Instruments        
Period for interest rate basis for variable rate receivable 3 months      
Interest rate swap matures in June 2021        
Derivative Financial Instruments        
Notional amount $ 340.0   $ 260.0  
Fixed rate payable (as a percent) 5.56%      
Applicable margin included in fixed rate (as a percent) 3.50%      
Interest rate swap matures in June 2021 | LIBOR        
Derivative Financial Instruments        
Period for interest rate basis for variable rate receivable 1 month      
Other assets | Interest rate swap        
Derivative Financial Instruments        
Derivative asset $ 3.8      
Current assets | Interest rate swap        
Derivative Financial Instruments        
Derivative asset 0.1      
Accrued expenses and other current liabilities | Interest rate swap        
Derivative Financial Instruments        
Derivative liability $ 0.2 $ 1.1