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10. Other Income and Expenses (Tables) | 12 Months Ended
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Dec. 31, 2014
Other Income and Expense [Abstract] |
Schedule of other income (expense), net | Other (income) expense, net includes the following components (in millions):
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
Interest and investment income |  | $ | (13.5 | ) |  | $ | (13.4 | ) |  | $ | (11.4 | )
Net realized losses (gains) on investments |  | — |  |  | 0.3 |  |  | (8.7 | )
Other-than-temporary impairment losses on investments |  | 0.4 |  |  | 0.3 |  |  | 1.0 |
Losses (gains) on disposal of property, plant and equipment |  | 0.4 |  |  | 0.5 |  |  | (3.8 | )
Miscellaneous other (income) expense items, net |  | (0.3 | ) |  | (0.5 | ) |  | 1.0 |
Other (income) expense, net |  | $ | (13.0 | ) |  | $ | (12.8 | ) |  | $ | (21.9 | )

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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