Stockholders' Equity (Narratives) (Details) - $ / shares	3 Months Ended
	Dec. 31, 2015	Sep. 30, 2015
Stockholders' Equity [Abstract]
Dividends payable, date declared	Aug. 28, 2015	Jun. 04, 2015
Declared dividend, date paid	Oct. 02, 2015	Jul. 01, 2015
Dividends payable, date of record	Sep. 16, 2015	Jun. 19, 2015
Declared cash dividend, paid	$ 3.00	$ 1.00