Earnings Per Share (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended			65 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015	Jan. 28, 2017	Aug. 25, 2011
Earnings Per Share [Abstract]
Antidilutive options excluded from computation of earnings per share	63,915	56,997	64,497
Shares repurchased during period under share repurchase program	900,000	151,500	0	1,100,000
Stock repurchase program, number of shares authorized to be repurchased					2,500,000
Payments for repurchase of shares under share repurchase program	$ 23,139	$ 4,921	$ 0	$ 28,100