Revenue (Schedule of Impact of Adoption New Guidance on Consolidated Statement of Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	May 05, 2018	Apr. 29, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	$ 257,445	$ 253,389
Cost of sales (including buying, distribution and occupancy costs)	180,118	$ 181,233
As Reported [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	257,445
Cost of sales (including buying, distribution and occupancy costs)	180,118
Adjustments [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	(99)
Cost of sales (including buying, distribution and occupancy costs)	(63)
As Adjusted [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	257,346
Cost of sales (including buying, distribution and occupancy costs)	$ 180,055