Income Taxes (Schedule of Income Tax Components) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Current:
Federal	$ 45,867	$ 40,053	$ 30,976
State	6,168	4,900	4,626
Current income tax expense (benefit)	52,035	44,953	35,602
Deferred:
Federal	4,606	(1,772)	349
State	(243)	(760)	(975)
Deferred income tax expense (benefit)	4,363	(2,532)	(626)
Income tax expense	$ 56,398	$ 42,421	$ 34,976