Stockholders' Equity (Schedule of Transfer of Shares Between Respective Plans) (Details) - shares	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available at beginning balance	5,401,000	5,450,000	8,762,000
Additional shares authorized	8,300,000
Granted	(7,865,000)	(5,141,000)	(7,060,000)
Canceled	1,793,000	5,803,000	3,748,000
Retired		(711,000)
Shares available at ending balance	7,629,000	5,401,000	5,450,000
2005 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Canceled		5,803,000	1,537,000
Transferred		(5,092,000)	(1,537,000)
Retired		(711,000)
Shares available at ending balance	0
2013 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available at beginning balance	5,401,000	5,450,000	8,762,000
Additional shares authorized	8,300,000
Granted	(7,865,000)	(5,141,000)	(7,060,000)
Canceled	1,793,000		2,211,000
Transferred		5,092,000	1,537,000
Shares available at ending balance	7,628,980	5,401,000	5,450,000