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Other Income (Expense), Net (Tables) | 6 Months Ended
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Jun. 30, 2013
Other Income and Expenses [Abstract] |
Other Income (Expense), Net | Other (expense) income , net consisted of the following, for each period presented:
| Quarter Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Interest income | $ | — |  |  | $ | 0.1 |  |  | $ | 0.1 |  |  | $ | 0.2 |
Unrealized (losses) gains on financial derivatives 1 | (0.9 | ) |  | 0.7 |  |  | (0.5 | ) |  | 1.2 |
Realized gains on investments | 0.3 |  |  | 0.1 |  |  | 0.8 |  |  | 0.1 |
All other, net | (0.2 | ) |  | 0.2 |  |  | (0.2 | ) |  | 0.3 |
Other non-operating (expense) income, net | $ | (0.8 | ) |  | $ | 1.1 |  |  | $ | 0.2 |  |  | $ | 1.8 |
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1 | See “Hedges Relating to the Convertible Notes” in Note 9 for discussion of such instruments.

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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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