Summary of Significant Accounting Policies - Earnings Per Share (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share [Abstract]
Shares issuable under stock options	153,971	116,724	141,741	79,356
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	69,073	297,896	988	157,962