Earnings Per Share Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017
Earnings Per Share [Abstract]
Net Income	$ (2,868)	$ (17,080)	$ 77,680	$ 49,222
Weighted Average Number of Shares Outstanding, Basic and Diluted	27,607,000	29,363,000	27,728,000	30,310,000
Earnings Per Share, Basic and Diluted	$ (0.10)	$ (0.58)	$ 2.80	$ 1.62
Total dilutive and potentially dilutive securities outstanding (in shares)	0		0