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Goodwill | 6 Months Ended
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Jun. 30, 2020
Goodwill And Intangible Assets Disclosure [Abstract] |
Goodwill |
6. | Goodwill
The changes in the carrying amount of goodwill were as follows:
Balance at December 31, 2019 |  | $ | 421.3 |
Measurement period adjustment (Note 2) |  |  | 0.7 |
Balance at June 30, 2020 |  | $ | 422.0 |

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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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