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9. Other Income and Expenses | 3 Months Ended
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Mar. 31, 2019
Other Income and Expenses [Abstract] |
Other Income and Other Expense Disclosure | . OTHER INCOME AND EXPENSE, NET Other (income) expense, net includes the following components (in millions):
| Three Months Ended |
| March 31, |
| 2019 |  | 2018 |
Interest and investment income | $ | (19.5 | ) |  | $ | (2.1 | ) |
Net realized loss on investments | — |  |  | 0.1 |  |
Other-than-temporary impairment loss on investment | 1.6 |  |  | — |  |
Gain on sale of land | — |  |  | (4.1 | ) |
Gain on divestiture of product line | — |  |  | (5.1 | ) |
Other (income) expense | (0.8 | ) |  | 0.1 |  |
Other (income) expense, net | $ | (18.7 | ) |  | $ | (11.1 | ) |
An other-than-temporary impairment loss on investment was recorded in light of the investee's financial condition in the first quarter of 2019.

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -URI http://asc.fasb.org/topic&trid=2122503 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 610 -URI http://asc.fasb.org/topic&trid=49130413 + Details
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