Annual report pursuant to Section 13 and 15(d)

Summary of significant accounting policies - Recent Accounting Pronouncements Not Yet Adopted (Details)

v3.20.1
Summary of significant accounting policies - Recent Accounting Pronouncements Not Yet Adopted (Details) - USD ($)
$ in Thousands
 12 Months Ended
Feb. 01, 2020
Feb. 03, 2019
Feb. 02, 2019
Effect of adoption of ASU 2016-02, Leases (Topic 842)      
Election of transition package of three practical expedients true    
Operating lease assets $ 1,537,565 $ 1,460,866  
Operating lease liability 1,938,347    
Retained earnings $ 1,128,477 1,103,488 $ 1,105,863
ASU 2016-02, Leases (Topic 842)      
Effect of adoption of ASU 2016-02, Leases (Topic 842)      
Operating lease assets   1,460,866  
Operating lease liability   1,839,970  
Adjustment | ASU 2016-02, Leases (Topic 842)      
Effect of adoption of ASU 2016-02, Leases (Topic 842)      
Retained earnings   $ 2,375