Consolidated Statement of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Stockholders Equity [Abstract]
Common Stock, Dividends, Per Share, Cash Paid	$ 0.125	$ 0.110	$ 0.360	$ 0.320