Quarterly report pursuant to Section 13 or 15(d)

Commitments and contingencies (Details)

v3.8.0.1
Commitments and contingencies (Details) - USD ($)
$ in Thousands
3 Months Ended
May 05, 2018
Apr. 29, 2017
Leases    
Total rent expense under operating leases $ 65,755 $ 56,784
Minimum    
Leases    
Original non-cancelable lease term 3 years  
Maximum    
Leases    
Original non-cancelable lease term 10 years