Nature of Operations and Summary of Significant Accounting Policies Dividends Paid Per Share (Details) - $ / shares	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Equity [Abstract]
Dividends declared per share	$ 0.25	$ 0.22	$ 0.50	$ 0.44