Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Leases (Details)

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Commitments and Contingencies - Leases (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Leases        
Total rent expense under operating leases $ 60,687 $ 51,580 $ 175,282 $ 150,424
Minimum        
Leases        
Original non-cancelable lease term     3 years  
Maximum        
Leases        
Original non-cancelable lease term     10 years