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Restructuring Expenses (Tables) | 12 Months Ended
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Dec. 31, 2020
Restructuring and Related Activities [Abstract] |
Schedule of Restructuring Reserve by Type of Cost | The components of the restructuring expenses are summarized as follows (in millions):
|  | Employee Severance |  | Facility Closure Costs |  | Write-down of Property, Plant and Equipment |  | Other Related Closure Costs |  | Loss on Sale of Joint Venture |  | Total
Balance as of December 31, 2017 |  | $ | 10.9 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 10.9 |
2018 provision |  | 13.8 |  |  | — |  |  | 0.3 |  |  | — |  |  | — |  |  | 14.1 |
Less: Non-cash expense |  | — |  |  | — |  |  | (0.3) |  |  | — |  |  | — |  |  | (0.3) |
Cash expense |  | 13.8 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 13.8 |
2018 provision reversal |  | (2.1) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (2.1) |
2018 cash activity |  | (14.4) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (14.4) |
Foreign currency translation |  | (1.1) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (1.1) |
Balance as of December 31, 2018 |  | 7.1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 7.1 |
2019 provision |  | 5.6 |  |  | 0.5 |  |  | 1.5 |  |  | — |  |  | 2.1 |  |  | 9.7 |
Less: Non-cash expense |  | — |  |  | — |  |  | (1.5) |  |  | — |  |  | (2.1) |  |  | (3.6) |
Cash expense |  | 5.6 |  |  | 0.5 |  |  | — |  |  | — |  |  | — |  |  | 6.1 |
2019 provision reversal |  | (0.7) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (0.7) |
2019 cash activity |  | (6.8) |  |  | (0.5) |  |  | — |  |  | — |  |  | — |  |  | (7.3) |
Foreign currency translation |  | (0.4) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (0.4) |
Balance as of December 31, 2019 |  | 4.8 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 4.8 |
2020 provision |  | 11.3 |  |  | 4.5 |  |  | 2.5 |  |  | 1.8 |  |  | — |  |  | 20.1 |
Less: Non-cash expense |  | — |  |  | — |  |  | (2.5) |  |  | — |  |  | — |  |  | (2.5) |
Cash expense |  | 11.3 |  |  | 4.5 |  |  | — |  |  | 1.8 |  |  | — |  |  | 17.6 |
2020 provision reversal |  | (0.4) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (0.4) |
2020 cash activity |  | (4.5) |  |  | (0.6) |  |  | — |  |  | — |  |  | — |  |  | (5.1) |
Foreign currency translation |  | (0.1) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (0.1) |
Balance as of December 31, 2020 |  | $ | 11.1 |  |  | $ | 3.9 |  |  | $ | — |  |  | $ | 1.8 |  |  | $ | — |  |  | $ | 16.8 |

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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: 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(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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