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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 the carrying amount of goodwill in 2021, in total and by segment, are summarized in the table below (in millions):
| Balance at December 31, 2020 |  |  |  | Changes in foreign currency translation rates |  | Balance at June 30, 2021
Residential Heating & Cooling | $ | 26.1 |  |  |  |  | $ | — |  |  | $ | 26.1 |
Commercial Heating & Cooling | 61.1 |  |  |  |  | — |  |  | 61.1 |
Refrigeration | 99.7 |  |  |  |  | (0.1) |  |  | 99.6 |
Total Goodwill | $ | 186.9 |  |  |  |  | $ | (0.1) |  |  | $ | 186.8 |
We monitor our reporting units for indicators of impairment throughout the year to determine if a change in facts or circumstances warrants a re-evaluation of our goodwill.

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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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