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Goodwill and Other Intangible Assets
 6 Months Ended
Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets
Goodwill
The changes in the carrying amount of goodwill attributable to each reportable segment for the six month period ended June 30, 2021 is presented in the table below.
Industrial Technologies and ServicesPrecision and Science TechnologiesTotal
Balance as of December 31, 2020$4,151.2 $1,431.4 $5,582.6 
Acquisitions76.7 — 76.7 
Foreign currency translation(18.4)(3.9)(22.3)
Balance as of June 30, 2021$4,209.5 $1,427.5 $5,637.0 
As of June 30, 2021, goodwill included accumulated impairment losses of $220.6 million within the Industrial Technologies and Services segment.
Other Intangible Assets, Net
Other intangible assets as of June 30, 2021 and December 31, 2020 consisted of the following.
June 30, 2021December 31, 2020
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Amortized intangible assets
Customer lists and relationships$2,857.7 $(928.1)$1,929.6 $2,835.0 $(841.3)$1,993.7 
Technology293.9 (56.4)237.5 279.9 (38.1)241.8 
Tradenames41.5 (17.8)23.7 41.8 (15.6)26.2 
Other107.2 (71.7)35.5 102.8 (58.6)44.2 
Unamortized intangible assets
Tradenames1,499.2 — 1,499.2 1,491.3 — 1,491.3 
Total other intangible assets$4,799.5 $(1,074.0)$3,725.5 $4,750.8 $(953.6)$3,797.2 
Intangible Asset Impairment Considerations
As of June 30, 2021, there were no indications that the carrying value of goodwill and other intangible assets may not be recoverable.