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Acquisitions Narrative (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2016 USD ($) business
Number of Businesses Acquired | 3
Business Combination, Goodwill and Intangibles Recorded | $ | $ 66.7
IAN |
Number of Businesses Acquired | 1
CMG |
Number of Businesses Acquired | 2

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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=73531372&loc=d3e2207-128464 Reference 2: 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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