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Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2018
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated other comprehensive income (loss) as of December 31, 2017 and June 30, 2018 is as follows:
|  | Total |  | Translation Adjustments |  | Postretirement Plans
Balance at December 31, 2017 |  | $ | (3,815.8 | ) |  | $ | (817.0 | ) |  | $ | (2,998.8 | )
Other comprehensive income before reclassifications |  | (26.7 | ) |  | (27.5 | ) |  | 0.8 |
Amounts reclassified from accumulated other comprehensive income |  | 77.3 |  |  | — |  |  | 77.3 |
Current period other comprehensive income |  | 50.6 |  |  | (27.5 | ) |  | 78.1 |
Balance at June 30, 2018 |  | $ | (3,765.2 | ) |  | $ | (844.5 | ) |  | $ | (2,920.7 | )
Amounts Reclassified Out of Accumulated Other Comprehensive Income | Amounts reclassified out of accumulated other comprehensive income for the three and six months ended June 30, 2018 and 2017 are as follows:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Translation Adjustments(i): |  |  |  |  |  |  |  |
Adjustment for substantial completion of liquidation of foreign subsidiaries |  | $ | — |  |  | $ | 0.2 |  |  | $ | — |  |  | $ | (5.1 | )
Postretirement Plans(ii): |  |  |  |  |  |  |  |
Amortization of prior service cost |  | (1.8 | ) |  | (1.4 | ) |  | (3.6 | ) |  | (2.8 | )
Amortization of actuarial losses |  | 41.6 |  |  | 44.9 |  |  | 83.4 |  |  | 88.2 |
Curtailment gain(ii) |  | — |  |  | (5.2 | ) |  | — |  |  | (5.2 | )
Total before tax |  | 39.8 |  |  | 38.5 |  |  | 79.8 |  |  | 75.1 |
Income tax benefit |  | (1.2 | ) |  | (0.5 | ) |  | (2.5 | ) |  | (2.2 | )
Total reclassification for the period |  | $ | 38.6 |  |  | $ | 38.0 |  |  | $ | 77.3 |  |  | $ | 72.9 |
(i) | Reported in other income (expense), net in the Consolidated Statements of Income
(ii) | These items are included in net periodic postretirement cost (see Note 5).
Noncontrolling Interests | Noncontrolling interests as of December 31, 2017 and June 30, 2018 are as follows:
| Noncontrolling Interests
Balance at December 31, 2017 | $ | 28.2 |
Net income | 3.3 |
Translation adjustments | (0.9 | )
Postretirement plans | 0.8 |
Balance at June 30, 2018 | $ | 31.4 |

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