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(Details) $ in Thousands | 2 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Apr. 30, 2016 USD ($) business_acquisition | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Business Acquisition [Line Items] |  |  |  |
Cash consideration |  | $ 104,353 | $ 65,405 |
Goodwill |  | $ 146,459 |  | $ 57,095
Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Number of businesses acquired | business_acquisition | 2 |  |  |
Cash consideration | $ 104,000 |  |  |
Identifiable intangible assets | 17,400 |  |  |
Net deferred tax liabilities | 3,400 |  |  |
Goodwill | 89,000 |  |  |
Deferred cash and stock compensation | $ 37,000 |  |  |

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- Definition Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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