General - Notes to Financial Statements - (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
General Dsiclosure [Abstract]
Quarterly Declared Dividend	$ 0.3	$ 0.3
Repurchase of common stock	$ 7,100	$ 547
Net income	35,874	31,083
Dividends paid	$ 8,318	$ 8,374