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Restructuring (Tables) | 12 Months Ended
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Dec. 31, 2020
Restructuring And Related Activities [Abstract] |
Summary of all restructuring activities | The following is a summary of the Company's restructuring activities for the years ended December 31, 2020, 2019 and 2018:
|  | 2020 |  |  | 2019 |  |  | 2018 |
Balance at beginning of period |  | $ | 2.0 |  |  | $ | 3.3 |  |  | $ | 5.6 |
Restructuring expenses* |  |  | 9.5 |  |  |  | 9.8 |  |  |  | 12.9 |
Use of reserve |  |  | (6.2 | ) |  |  | (10.9 | ) |  |  | (15.1 | )
Reserve reclassification |  |  | — |  |  |  | (0.2 | ) |  |  | — |
Currency translation |  |  | — |  |  |  | — |  |  |  | (0.1 | )
Balance at end of period |  | $ | 5.3 |  |  | $ | 2.0 |  |  | $ | 3.3 |

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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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