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Fair Value of Financial Instruments - Textuals (Details) - USD ($)
$ in Millions
3 Months Ended
Feb. 01, 2019
Apr. 30, 2019
Debt Instrument [Line Items]    
Operating Lease, Impairment Loss $ 9.6  
ASU 2016-02    
Debt Instrument [Line Items]    
Operating Lease, Impairment Loss   $ 9.6
LVMH Note    
Debt Instrument [Line Items]    
Debt instrument interest rate   2.00%
Debt discount   $ 40.0