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Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2020
Equity [Abstract] |
Schedule of Components of Accumulated Other Comprehensive Income (Loss), Net of Taxes | The components of accumulated other comprehensive loss, net of taxes, were as follows as of March 31, 2020 and December 31, 2019 (in millions):
|  | March 31, 2020 |  | December 31, 2019
Unrealized components of benefit plans: |  |  |  |
Pension plans |  | $ | (46.8) |  |  | $ | (47.4) |
Post-retirement plans |  | 0.2 |  |  | 0.2 |
Non-qualified benefit plans |  | (0.8) |  |  | (0.8) |
Interest rate swap |  | (7.7) |  |  | (0.8) |
Accumulated other comprehensive income (loss) |  | $ | (55.1) |  |  | $ | (48.8) |
Summary of Reclassifications of Other Comprehensive Income (Loss) | The changes in accumulated other comprehensive income (loss) by component for the three months ended March 31, 2020 were as follows (in millions):
|  | Employee Benefit Plans |  | Interest Rate Swap |  | Total
Balance, January 1, 2020 |  |  | $ | (48.0) |  |  |  | $ | (0.8) |  |  | $ | (48.8) |
Other comprehensive income (loss) before reclassifications, net of taxes of $0 |  |  |  | — |  |  | (6.9) |  |  | (6.9) |
Amounts reclassified from accumulated other comprehensive income (loss), net of taxes of $0 |  |  |  | 0.6 |  |  | — |  |  | 0.6 |
Balance, March 31, 2020 |  | $ | (47.4) |  |  | $ | (7.7) |  |  | $ | (55.1) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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