v3.20.1
Summary of Significant Accounting Policies - Restricted Cash (Details) - USD ($)
$ in Millions
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Cash and Cash Equivalents [Abstract]        
Restricted Cash and Cash Equivalents $ 14.1 $ 16.1    
Cash and Cash Equivalents, at Carrying Value 499.4 1,624.4 $ 854.2  
Restricted Cash and Cash Equivalents, Current 0.3 2.7 0.0  
Restricted Cash, Noncurrent 13.8 13.4 14.9  
Cash and cash equivalents and restricted cash at end of period $ 513.5 $ 1,640.5 $ 869.1 $ 674.7