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Share-based Compensation (Shares Reserved for Issuance) (Details) - shares shares in Thousands | Mar. 31, 2018 | Jun. 30, 2017
--- | --- | ---
Class Of Stock [Line Items] |  |
Shares reserved for issuance | 27,714 | 25,140
2014 Employee Stock Purchase Plan |  |
Class Of Stock [Line Items] |  |
Shares reserved for issuance | 5,365 | 7,785
Employee Stock Options and Awards Outstanding |  |
Class Of Stock [Line Items] |  |
Shares reserved for issuance | 10,405 | 9,726
2013 Equity Incentive Plan Shares Available for Grant |  |
Class Of Stock [Line Items] |  |
Shares reserved for issuance | 11,944 | 7,629

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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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