Goodwill and intangible assets.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ 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)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

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.

+ References

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 225
-Section 45
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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015	Aug. 31, 2016
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 316,100,000	$ 195,300,000	$ 177,200,000
Impairment of goodwill	0	0	0
Goodwill associated with the acquisition	116,300,000	17,700,000
Impairment of long-lived assets	0	$ 0	$ 0
2018	37,200,000
2019	37,200,000
2020	36,900,000
2021	36,900,000
2022	36,900,000
Thereafter	$ 283,400,000
Developed Technology and Database [Member] \| Minimum [Member]
Goodwill And Intangible Assets [Line Items]
Estimated useful life	14 years
Developed Technology and Database [Member] \| Maximum [Member]
Goodwill And Intangible Assets [Line Items]
Estimated useful life	19 years
Trademarks [Member]
Goodwill And Intangible Assets [Line Items]
Estimated useful life	11 years
Weighted average remaining amortization period	14 years
Customer Relationships [Member]
Goodwill And Intangible Assets [Line Items]
Estimated useful life	4 years
Weighted average remaining amortization period	14 years
Purchased Licenses and Technologies [Member]
Goodwill And Intangible Assets [Line Items]
Weighted average remaining amortization period	14 years
Assurex [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 119,100,000			$ 116,300,000
Diagnostics [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill	250,500,000
Diagnostics [Member] \| Assurex [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill associated with the acquisition	119,100,000
Other [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 65,600,000