Quarterly report pursuant to Section 13 or 15(d)

Commitments and contingencies (Details)

v3.10.0.1
Commitments and contingencies (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Nov. 03, 2018
Oct. 28, 2017
Nov. 03, 2018
Oct. 28, 2017
Leases        
Total rent expense under operating leases $ 66,779 $ 60,687 $ 196,282 $ 175,282
Minimum        
Leases        
Original non-cancelable lease term 3 years   3 years  
Maximum        
Leases        
Original non-cancelable lease term 10 years   10 years