Shareholders' Equity (Details) - $ / shares	Jul. 23, 2015	Apr. 22, 2015	Jan. 29, 2015	Apr. 01, 2013
Subsequent Event [Line Items]
Declared quarterly cash dividend		$ 0.18	$ 0.16
Special Dividends Payable, Amount Per Share		$ 0.16	$ 0.14
Dividend Declared [Member]
Subsequent Event [Line Items]
Declared quarterly cash dividend	$ 0.18
Special Dividends Payable, Amount Per Share	$ 0.16
Preferred Stock [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, New Issues				8,782