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Goodwill | 6 Months Ended
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Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | Goodwill The changes in goodwill by reportable segment are as follows:
|  | Corporate |  | Small Business |  | Public |  | Other(1) |  | Consolidated
Balances as of December 31, 2020(2) |  | $ | 1,123.6 |  |  | $ | 185.9 |  |  | $ | 929.6 |  |  | $ | 356.8 |  |  | $ | 2,595.9 |
Amplified IT acquisition(3) |  | — |  |  | — |  |  | 130.3 |  |  | — |  |  | 130.3 |
Other acquisition adjustments |  | 0.2 |  |  | — |  |  | — |  |  | — |  |  | 0.2 |
Foreign currency translation |  | — |  |  | — |  |  | — |  |  | 5.5 |  |  | 5.5 |
Balances as of June 30, 2021(2) |  | $ | 1,123.8 |  |  | $ | 185.9 |  |  | $ | 1,059.9 |  |  | $ | 362.3 |  |  | $ | 2,731.9 |
(1)Other is comprised of CDW UK and CDW Canada operating segments. (2)Goodwill is net of accumulated impairment losses of $1,571 million, $354 million and $28 million related to the Corporate, Public and Other segments, respectively, recorded in 2008 and 2009. (3)For additional information regarding the Company's acquisition, see Note 3 (Acquisition).

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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