Share-Based Compensation (Weighted Average Assumptions for Options Granted) (Details) - $ / shares	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Share-based Compensation [Abstract]
Expected term (years)	4 years 6 days	4 years	4 years 7 months 22 days
Expected volatility	30.06%	33.70%	42.90%
Risk-free interest rate	1.22%	1.07%	0.64%
Dividend yield	0.00%	0.00%	0.00%
Granted, weighted-average grant date fair value (in dollars per share)	$ 10.51	$ 11.91	$ 10.48