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Restructuring and Impairment Activities (Tables) | 3 Months Ended
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Mar. 31, 2021
Restructuring and Related Activities [Abstract] |
Changes in Restructuring Liabilities | The following table summarizes total restructuring and related charges for the three months ended March 31, 2021:
| Three Months Ended |  |
| March 31, 2021 |  | March 31, 2020 |  |  |  |
Restructuring and impairment expense: |  |  |  |  |  |  |
Severance | $ | 0.3 |  |  | $ | 0.1 |  |  |  |  |
Other | 1.4 |  |  | — |  |  |  |  |
Total restructuring and impairment expense | $ | 1.7 |  |  | $ | 0.1 |  |  |  |  |
The following table summarizes changes in restructuring liabilities during the periods ended March 31, 2021 and December 31, 2020. ($ in millions):
|  | Three Months Ended
|  | March 31, 2021 |  | March 31, 2020
Balance at beginning of year |  | $ | 7.4 |  |  | $ | 0.5 |
Accruals for announced programs |  | 0.3 |  |  | 0.1 |
Cash payments |  | (2.2) |  |  | (0.3) |
Foreign exchange impact |  | (0.1) |  |  | — |
Balance at end of period |  | $ | 5.4 |  |  | $ | 0.3 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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