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Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	[1]	Jun. 30, 2017
Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 419,141		$ 669,248
Accumulated amortization	(193,033)		(433,877)
Total intangible assets, net	226,108		235,371
Customer contracts and related customer relationships
Finite Lived Intangible Assets [Line Items]
Intangible assets	408,554		635,895
Accumulated amortization	(184,664)		(402,934)
Acquired technologies
Finite Lived Intangible Assets [Line Items]
Intangible assets	9,477		28,503
Accumulated amortization	(7,678)		(26,542)
Covenants not to compete
Finite Lived Intangible Assets [Line Items]
Intangible assets	310		3,305
Accumulated amortization	(306)		(3,288)
Other
Finite Lived Intangible Assets [Line Items]
Intangible assets	800		1,545
Accumulated amortization	$ (385)		$ (1,113)
[1] During the first quarter of FY18, the Company wrote off $250.7 million in fully amortized intangible assets.

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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
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-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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-Publisher FASB
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-Topic 350
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