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Acquisitions (Tables)
9 Months Ended
Sep. 30, 2021
Business Combination and Asset Acquisition [Abstract]  
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination The acquired identifiable intangible assets of Headsight as of the date of the acquisition are summarized in the following table (in millions):
Intangible Asset
AmountWeighted-Average Useful Life
Customer relationships$3.2 7 years
Technology0.910 years
Trademarks0.77 years
$4.8 
The acquired identifiable intangible assets of Faromatics as of the date of the acquisition are summarized in the following table (in millions):
Intangible Asset
AmountWeighted-Average Useful Life
Technology$1.7 15 years