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Goodwill
3 Months Ended
Mar. 31, 2019
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, 2018
$
96.5

HelloSign acquisition
132.7

Effect of foreign currency translation
1.2

Balance at March 31, 2019
$
230.4



The goodwill acquired from HelloSign is carried in U.S. dollars, while goodwill from previous acquisitions is denominated in other foreign currencies.

Goodwill amounts are not amortized, but tested for impairment on an annual basis. There was no impairment of goodwill as of March 31, 2019 and December 31, 2018.