Business Combinations (Fair Values Of Assets Acquired, Liabilities Assumed, And Estimated Useful Lives) (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Conduit And AllCall [Member]
Business Combinations [Line Items]
Property, plant and equipment	$ 69
Goodwill	2,000
Assets acquired	6,649
Current liabilities	(60)
Total liabilities assumed	(60)
Net assets acquired	6,589
Brightree LLC [Member]
Business Combinations [Line Items]
Current assets		$ 15,310
Property, plant and equipment		1,045
Goodwill		602,996
Assets acquired		817,851
Current liabilities		(9,399)
Deferred revenue		(4,571)
Total liabilities assumed		(13,970)
Net assets acquired		803,881
Trade Names [Member] \| Conduit And AllCall [Member]
Business Combinations [Line Items]
Intangible assets	$ 100
Intangible assets, useful life	3 years
Trade Names [Member] \| Brightree LLC [Member]
Business Combinations [Line Items]
Intangible assets		$ 28,700
Intangible assets, useful life		10 years
In-Process Research And Development [Member] \| Brightree LLC [Member]
Business Combinations [Line Items]
Intangible assets		$ 4,100
Non-Compete [Member] \| Conduit And AllCall [Member]
Business Combinations [Line Items]
Intangible assets	$ 520
Non-Compete [Member] \| Minimum [Member] \| Conduit And AllCall [Member]
Business Combinations [Line Items]
Intangible assets, useful life	1 year
Non-Compete [Member] \| Maximum [Member] \| Conduit And AllCall [Member]
Business Combinations [Line Items]
Intangible assets, useful life	3 years
Developed Technology [Member] \| Conduit And AllCall [Member]
Business Combinations [Line Items]
Intangible assets	$ 1,800
Intangible assets, useful life	5 years
Developed Technology [Member] \| Brightree LLC [Member]
Business Combinations [Line Items]
Intangible assets		$ 114,700
Developed Technology [Member] \| Minimum [Member] \| Brightree LLC [Member]
Business Combinations [Line Items]
Intangible assets, useful life		5 years
Developed Technology [Member] \| Maximum [Member] \| Brightree LLC [Member]
Business Combinations [Line Items]
Intangible assets, useful life		6 years
Customer Relationships [Member] \| Conduit And AllCall [Member]
Business Combinations [Line Items]
Intangible assets	$ 2,160
Intangible assets, useful life	5 years
Customer Relationships [Member] \| Brightree LLC [Member]
Business Combinations [Line Items]
Intangible assets		$ 51,000
Customer Relationships [Member] \| Minimum [Member] \| Brightree LLC [Member]
Business Combinations [Line Items]
Intangible assets, useful life		10 years
Customer Relationships [Member] \| Maximum [Member] \| Brightree LLC [Member]
Business Combinations [Line Items]
Intangible assets, useful life		15 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Topic 805
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The amount of property, plant, and equipment recognized as of the acquisition date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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-Publisher FASB
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-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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