Stockholders' Equity (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended				1 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Jun. 11, 2014	May 03, 2014	Aug. 21, 2014 Subsequent Event [Member]
Equity [Abstract]
Quarterly dividend rate (in dollars per share)	$ 0.140			$ 0.125
Cash dividends paid	$ 7,971	$ 7,405
Subsequent Event [Line Items]
Percentage increase in quarterly dividend			12.00%
Dividends Payable, Date Declared					Aug. 21, 2014
Dividends Payable, Amount Per Share (in dollars per share)					$ 0.140
Dividends Payable, Date to be Paid					Sep. 17, 2014
Dividends Payable, Date of Record					Sep. 02, 2014