Employee Benefit Plans (including Share-based Compensation) (Summary of Stock Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Number of Shares
Options outstanding at June 30, 2016	6,385,000
Granted	0
Exercised	(2,348,000)
Cancelled	(975,000)
Options outstanding at June 30, 2017	3,062,000	6,385,000
Vested and expected to vest at June 30, 2017	3,062,000
Exercisable at June 30, 2017	2,299,000
Weighted-Average Exercise Price Per Share
Options outstanding at June 30, 2016	$ 4.10
Exercised	3.98
Cancelled	4.48
Options outstanding at June 30, 2017	4.06	$ 4.10
Vested and expected to vest at June 30, 2017	4.06
Exercisable at June 30, 2017	$ 4.43
Weighted-Average Remaining Contractual Term
Options outstanding	4 years 2 months 8 days	3 years 8 months 12 days
Vested and expected to vest at June 30, 2017	4 years 2 months 8 days
Exercisable at June 30, 2017	3 years 4 months 17 days
Aggregate Intrinsic Value
Options outstanding	$ 15,868	$ 1,416
Vested and expected to vest at June 30, 2017	15,868
Exercisable at June 30, 2017	$ 11,017