Subsequent Events (Details) - Subsequent Event [Member] - $ / shares	3 Months Ended
	Oct. 31, 2015	Aug. 20, 2015
Subsequent Event [Line Items]
Dividends Payable, Date Declared	Aug. 20, 2015
Dividends Payable, Amount Per Share		$ 0.40
Dividends Payable, Date to be Paid	Oct. 13, 2015
Dividends Payable, Date of Record	Sep. 21, 2015