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 6 Months Ended
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Leases        
Total rent expense under operating leases $ 64,128 $ 57,812 $ 129,503 $ 114,595
Minimum        
Leases        
Original non-cancelable lease term     3 years  
Maximum        
Leases        
Original non-cancelable lease term     10 years