Revenue (Schedule of Impact of Adoption New Guidance on Consolidated Statement of Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	$ 268,366	$ 235,064	$ 525,811	$ 488,453
Cost of sales (including buying, distribution and occupancy costs)	184,585	$ 166,837	364,703	$ 348,070
As Reported [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	268,366		525,811
Cost of sales (including buying, distribution and occupancy costs)	184,585		364,703
Adjustments [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	(867)		(966)
Cost of sales (including buying, distribution and occupancy costs)	(229)		(292)
As Adjusted [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	267,499		524,845
Cost of sales (including buying, distribution and occupancy costs)	$ 184,356		$ 364,411