Commitments and Contingencies - Future Minimum Rent Payments (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Commitments and Contingencies
Initial term	5 years
Rent expense	$ 50,700	$ 47,100	$ 44,400
Rent expense as a percentage of net sales	400	$ 500	$ 600
Future minimum rent payments under operating leases
2017	42,751
2018	37,196
2019	30,626
2020	21,596
2021	10,900
Thereafter	4,428
Total future minimum lease payments	$ 147,497