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Goodwill | 12 Months Ended
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Dec. 31, 2018
Goodwill Disclosure |
Goodwill | Note 6. Goodwill The changes in the carrying amount of goodwill are as follows:
| (in millions)
Balance at January 1, 2016 | $ | 1,724.8
Acquisitions |  | 103.4
Disposal of businesses |  | (1.0)
Effect of foreign currency translation |  | 0.2
Balance at December 31, 2016 |  | 1,827.4
Acquisitions |  | 10.3
Effect of foreign currency translation |  | 4.9
Balance at December 31, 2017 |  | 1,842.6
Acquisitions |  | 33.8
Effect of foreign currency translation |  | (5.6)
Balance at December 31, 2018 | $ | 1,870.8
Tax deductible goodwill from our 2018 and 2016 acquisitions is $21.3 million and $104.7 million, respectively. We had no accumulated impairment losses related to goodwill at December 31, 2018.

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- Definition The entire disclosure for goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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