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Stockholders' Equity (Shares Reserved for Issuance) (Details) - shares shares in Thousands | Jun. 30, 2016 | Jun. 30, 2015
--- | --- | ---
Class Of Stock [Line Items] |  |
Shares reserved for future issuance | 26,011 | 32,723
Stock Option Plan |  |
Class Of Stock [Line Items] |  |
Shares reserved for future issuance | 10,609 | 15,273
Employee Stock Options And Awards Available For Grant |  |
Class Of Stock [Line Items] |  |
Shares reserved for future issuance | 5,401 | 5,450
Employee Stock Purchase Plan |  |
Class Of Stock [Line Items] |  |
Shares reserved for future issuance | 10,001 | 12,000

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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