Shareholders' Equity (Details) - $ / shares							12 Months Ended
	Jan. 29, 2016	Oct. 29, 2015	Jul. 23, 2015	Apr. 22, 2015	Jan. 29, 2015	Apr. 02, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015
Class of Stock [Line Items]
Preferred Stock Converted Into Common Stock, Shares									102,363
Declared quarterly cash dividend		$ 0.18	$ 0.18	$ 0.18	$ 0.16
Special Dividends Payable, Amount Per Share		$ 0.18	$ 0.16	$ 0.16	$ 0.14
Dividend Declared [Member]
Class of Stock [Line Items]
Declared quarterly cash dividend	$ 0.18
Special Dividends Payable, Amount Per Share	$ 0.20
Preferred Stock [Member]
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues						8,782	0	9,000