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Summary of Significant Accounting Policies (Narratives) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018 | Jul. 01, 2019
Significant Accounting Policies [Line Items] |  |  |  |
Intangible asset and goodwill impairment |  | $ 0 | $ 0 |
Hardware products warranty period (in years) | 1 year |  |  |
Software products warranty period (in days) | 90 days |  |  |
Minimum percentage of tax benefit realized upon settlement | 50.00% |  |  |
Operating lease, right-of-use asset | $ 51,274,000 |  |  |
Operating lease, liability | $ 69,434,000 |  |  |
ASU 2016-02 |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Operating lease, right-of-use asset |  |  |  | $ 64,600,000
Operating lease, liability |  |  |  | $ 79,500,000
Minimum | Purchased Software |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 1 year |  |  |
Maximum | Purchased Software |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 4 years |  |  |
Computer Equipment | Minimum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 1 year |  |  |
Computer Equipment | Maximum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 4 years |  |  |
Office Equipment | Minimum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 3 years |  |  |
Office Equipment | Maximum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 7 years |  |  |
Leasehold Improvements | Minimum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 2 years |  |  |
Leasehold Improvements | Maximum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of property and equipment | 10 years |  |  |

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