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Shareholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2019
Equity [Abstract] |
Schedule of Amounts Reclassified out of Each Component of Accumulated Other Comprehensive Loss | The following table sets forth the significant amounts reclassified out of each component of accumulated other comprehensive loss and their effect on net income (loss) for the period (in millions):
| Three months ended March 31,
| 2019 |  | 2018
Amounts recognized as a component of net periodic pension and other postretirement benefit cost: |  |  |
Amortization of net loss | $ | (2.4 | ) |  | $ | (8.0 | )
Amortization of prior service credit | 3.0 |  |  | 4.5 |
Total before income taxes | 0.6 |  |  | (3.5 | )
Income tax (expense) benefit | (0.1 | ) |  | 0.7 |
Total reclassifications for the period, net of income taxes | $ | 0.5 |  |  | $ | (2.8 | )

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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