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Schedule of Changes in Level 3 Contingent Consideration Liability Measured on Recurring Basis (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Business Acquisition, Contingent Consideration [Line Items]
Beginning balance	$ 3,603
Fair value adjustment	(97)
Level 3
Business Acquisition, Contingent Consideration [Line Items]
Beginning balance	3,603
Fair value adjustment	97
Payment	$ (3,700)

X

- Definition

Business Acquisition Contingent Consideration Paid

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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X

- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 805



-SubTopic 30



-Section 50



-Paragraph 4



-Subparagraph (a)(1)



-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

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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://www.xbrl.org/2003/role/presentationRef



-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



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-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

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