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Business Combinations and Asset Acquisitions (Tables)
12 Months Ended
Dec. 31, 2021
Business Combination and Asset Acquisition [Abstract]  
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] The acquired identifiable intangible assets of Headsight and Faromatics as of the date of their respective acquisitions during 2021 are summarized in the following table (in millions):
Intangible Asset
AmountWeighted-Average Useful Life
Customer relationships$3.2 7 years
Technology6.1
10 - 15 years
Trademarks0.77 years
$10.0