Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Income Tax Disclosure [Abstract]
Effective tax rate	35.10%	38.00%	37.00%	37.90%
Income tax provision (benefit)	$ 12,300	$ 14,100	$ 33,100	$ 33,100
Effective tax rate reduction	2.90%		0.90%
Change in effective rate due to adoption of ASU 2016-09	0.67%		0.58%