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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2020
Accumulated Other Comprehensive Income [Abstract] |
Changes in Accumulated Other Comprehensive Income (Loss) | Changes in accumulated other comprehensive income (loss), net of income taxes were (in millions):
| Cash Flow Hedge |  | Defined Benefit Pension Plans and Postemployment Arrangements |  | Foreign Currency Translation |  | Total
| Nine Months Ended September 30, 2020 |  |  |  |  |  |
January 1 | $ | (24.0) |  |  | $ | (112.1) |  |  | $ | (1,061.5) |  |  | $ | (1,197.6) |
Other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | (192.6) |  |  | (192.6) |
Reclassification from accumulated other comprehensive income (loss) | 2.9 |  |  | 6.7 |  |  | — |  |  | 9.6 |
September 30 | $ | (21.1) |  |  | $ | (105.4) |  |  | $ | (1,254.1) |  |  | $ | (1,380.6) |
| Nine Months Ended September 30, 2019 |  |  |  |  |  |
January 1 | $ | (22.3) |  |  | $ | (69.3) |  |  | $ | (1,136.9) |  |  | $ | (1,228.5) |
Cumulative effect of accounting change | (5.6) |  |  | (16.7) |  |  | — |  |  | (22.3) |
Other comprehensive income (loss) before reclassifications | — |  |  | — |  |  | (103.6) |  |  | (103.6) |
Reclassification from accumulated other comprehensive income (loss) | 2.9 |  |  | 2.7 |  |  | — |  |  | 5.6 |
September 30 | $ | (25.0) |  |  | $ | (83.3) |  |  | $ | (1,240.5) |  |  | $ | (1,348.8) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: 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=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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