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Goodwill | 6 Months Ended
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Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | Goodwill Goodwill represents the excess of the purchase price in a business combination over the fair value of net tangible and intangible assets acquired. The changes in the carrying amounts of goodwill were as follows:
Balance at December 31, 2019 | $ | 234.5 |
Effect of foreign currency translation | 0.2 |
Balance at June 30, 2020 | $ | 234.7 |
Goodwill amounts are not amortized, but tested for impairment on an annual basis. There was no impairment of goodwill as of June 30, 2020 and December 31, 2019.

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