Acquired Intangible Assets - Calculation Of Acquired Intangibles By Asset Class (Details) - USD ($) $ in Thousands	6 Months Ended
Dec. 31, 2017	Jun. 30, 2017
Finite-Lived Intangible Assets, Net [Abstract]
Cost	$ 2,316,636	$ 2,161,647
Accumulated Amortization	(848,258)	(689,105)
Total	1,468,378	1,472,542
Technology assets
Finite-Lived Intangible Assets, Net [Abstract]
Cost	981,026	930,841
Accumulated Amortization	(344,994)	(272,872)
Total	636,032	657,969
Intangible assets fully amortized during the period	$ 19,000
Weighted-average amortization period (in years) for acquired intangible assets	6 years
Customer assets
Finite-Lived Intangible Assets, Net [Abstract]
Cost	$ 1,335,610	1,230,806
Accumulated Amortization	(503,264)	(416,233)
Total	832,346	$ 814,573
Intangible assets fully amortized during the period	$ 3,000
Weighted-average amortization period (in years) for acquired intangible assets	8 years

Finite-Lived Intangible Assets, Fully Amortized During the Period

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- Definition

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.

+ References

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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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- References

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