Share-based Compensation (Shares Reserved for Issuance) (Details) - shares shares in Thousands	Sep. 30, 2016	Jun. 30, 2016
Class Of Stock [Line Items]
Shares reserved for future issuance	22,564	26,011
2014 Employee Stock Purchase Plan
Class Of Stock [Line Items]
Shares reserved for future issuance	8,897	10,001
Stock Option Plan
Class Of Stock [Line Items]
Shares reserved for future issuance	11,467	10,609
Employee Stock Options And Awards Available For Grant
Class Of Stock [Line Items]
Shares reserved for future issuance	2,200	5,401