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OTHER INCOME | 6 Months Ended
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Jun. 30, 2016
Other Income and Expenses [Abstract] |
OTHER INCOME, NET | OTHER INCOME Other income consisted of the following (amounts in thousands):
| Three months ended |  | Six months ended
| June 30, |  | June 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Gain on sale of assets | $ | — |  |  | $ | 58 |  |  | $ | 2,342 |  |  | $ | 57 |
Wheels India Limited equity income | 1,152 |  |  | 867 |  |  | 1,649 |  |  | 860 |
Interest income | 842 |  |  | 956 |  |  | 1,253 |  |  | 1,564 |
Building rental income | 609 |  |  | 258 |  |  | 971 |  |  | 498 |
Discount amortization on prepaid royalty | 320 |  |  | 472 |  |  | 779 |  |  | 1,083 |
Other income (expense) | 126 |  |  | 648 |  |  | (40 | ) |  | 1,514 |
| $ | 3,049 |  |  | $ | 3,259 |  |  | $ | 6,954 |  |  | $ | 5,576 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3,6,7,9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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