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Goodwill (Tables)
 9 Months Ended
Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Carrying Amount of Goodwill by Segment
Changes in the carrying amount of goodwill by segment for the nine months ended September 30, 2018 were as follows:
 
 
Total
 
Services
 
Technology
Balance at December 31, 2017
 
$
180.8

 
$
72.1

 
$
108.7

Translation adjustments
 
(2.7
)
 
(2.7
)
 
—

Balance at September 30, 2018
 
$
178.1

 
$
69.4

 
$
108.7