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Employee Benefit Plans (Common Stock Reserved for Future Issuance) (Details) - shares shares in Thousands | Dec. 31, 2020 | Jun. 30, 2020
--- | --- | ---
Class Of Stock [Line Items] |  |
Shares reserved for issuance | 24,540 | 30,878
2014 Employee Stock Purchase Plan |  |
Class Of Stock [Line Items] |  |
Shares reserved for issuance | 5,913 | 7,364
Employee Stock Options and Awards Outstanding |  |
Class Of Stock [Line Items] |  |
Shares reserved for issuance | 12,478 | 10,396
2013 Equity Incentive Plan Shares Available for Grant |  |
Class Of Stock [Line Items] |  |
Shares reserved for issuance | 6,149 | 13,118

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
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