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Goodwill (Tables)
6 Months Ended
Jun. 30, 2020
Goodwill And Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Carrying Amount of 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