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Indemnifications, Contingencies and Legal Proceedings - Additional Information (Detail) - USD ($) $ in Millions	Oct. 31, 2018	Sep. 30, 2018	Jun. 30, 2018
Commitments Contingencies And Litigation [Line Items]
Contingent consideration liabilities recorded for business combinations		$ 6.8	$ 8.7
Subsequent Event [Member]
Commitments Contingencies And Litigation [Line Items]
Contingent consideration liabilities recorded for business combinations	$ 1.9

X

- Definition

Commitments contingencies and litigation.

+ References

No definition available.

+ Details

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478

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