Summary of Significant Accounting Policies (Narratives) (Details)	12 Months Ended
	Jun. 30, 2021 USD ($) Segment	Jun. 30, 2020 USD ($)	Jul. 01, 2019 USD ($)
Significant Accounting Policies [Line Items]
Intangible asset and goodwill impairment	$ 0	$ 0
Number of reporting units | Segment	1
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 assets, net	$ 36,927,000	$ 51,274,000
Operating lease, liability	$ 51,258,000
ASU 2016-02
Significant Accounting Policies [Line Items]
Operating lease right-of-use assets, net			$ 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, furniture and fixtures | Minimum
Significant Accounting Policies [Line Items]
Estimated useful lives of property and equipment	3 years
Office equipment, furniture and fixtures | Maximum
Significant Accounting Policies [Line Items]
Estimated useful lives of property and equipment	7 years