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Restructuring (Tables) | 12 Months Ended
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Dec. 31, 2020
Restructuring and Related Activities [Abstract] |
Summary of Restructuring Activity | A summary of 2020 activity, excluding the pension benefit plan settlement losses of $12.9 million, is shown below (in millions):
| Accrual as of |  | 2020 |  | Utilization |  | Accrual as of
| January 1, 2020 |  | Charges |  | Cash |  | Non-cash |  | December 31, 2020
Employee termination benefits | $ | 152.8 |  |  | $ | 104.2 |  |  | $ | (122.2) |  |  | $ | — |  |  | $ | 134.8 |
Asset impairments | — |  |  | 23.3 |  |  | — |  |  | (23.3) |  |  | — |
Contract termination costs | 4.9 |  |  | 2.0 |  |  | (2.7) |  |  | — |  |  | 4.2 |
Other related costs | — |  |  | 2.5 |  |  | (2.5) |  |  | — |  |  | — |
Total | $ | 157.7 |  |  | $ | 132.0 |  |  | $ | (127.4) |  |  | $ | (23.3) |  |  | $ | 139.0 |
A summary of 2019 activity, excluding the other postretirement curtailment gain of $10.6 million, is shown below (in millions):
| Accrual as of |  | 2019 |  | Utilization |  | Accrual as of
| January 1, 2019 |  | Charges |  | Cash |  | Non-cash |  | December 31, 2019
Employee termination benefits | $ | 103.3 |  |  | $ | 167.8 |  |  | $ | (118.3) |  |  | $ | — |  |  | $ | 152.8 |
Asset impairments | — |  |  | 9.5 |  |  | — |  |  | (9.5) |  |  | — |
Contract termination costs | 5.4 |  |  | 3.0 |  |  | (3.5) |  |  | — |  |  | 4.9 |
Other related costs | — |  |  | 13.9 |  |  | (13.9) |  |  | — |  |  | — |
Total | $ | 108.7 |  |  | $ | 194.2 |  |  | $ | (135.7) |  |  | $ | (9.5) |  |  | $ | 157.7 |
A summary of 2018 activity is shown below (in millions):
| Accrual as of |  | 2018 |  | Utilization |  | Accrual as of
| January 1, 2018 |  | Charges |  | Cash |  | Non-cash |  | December 31, 2018
Employee termination benefits | $ | 93.0 |  |  | $ | 74.5 |  |  | $ | (64.2) |  |  | $ | — |  |  | $ | 103.3 |
Asset impairments | — |  |  | 4.7 |  |  | — |  |  | (4.7) |  |  | — |
Contract termination costs | 5.0 |  |  | 1.5 |  |  | (1.1) |  |  | — |  |  | 5.4 |
Other related costs | — |  |  | 7.3 |  |  | (7.3) |  |  | — |  |  | — |
Total | $ | 98.0 |  |  | $ | 88.0 |  |  | $ | (72.6) |  |  | $ | (4.7) |  |  | $ | 108.7 |

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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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