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Miscellaneous Income, Net | 12 Months Ended
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Dec. 31, 2017
Other Income and Expenses [Abstract] |
MISCELLANEOUS INCOME, NET | MISCELLANEOUS INCOME, NET
| Years ended December 31,
| 2017 |  | 2016 |  | 2015
Gains on sales of operating property and equipment | $ | 26,093 |  |  | 2,475 |  |  | 3,045 |
Insurance proceeds/recoveries | 1,734 |  |  | 966 |  |  | — |
Contract settlement | 1,600 |  |  | — |  |  | 55 |
Foreign currency transaction gains | 657 |  |  | 1,236 |  |  | 1,945 |
Rabbi trust investment income | 10,522 |  |  | 2,763 |  |  | 632 |
Other, net | 3,639 |  |  | 5,628 |  |  | 4,479 |
Total | $ | 44,245 |  |  | 13,068 |  |  | 10,156 |
The increase in 2017 is primarily driven by gains of sales of properties of $26 million , which includes the gain on the sale of a SCS property of $24 million, and rabbi trust investment income of $11 million. The increase in 2016 is primarily driven by increased rabbi trust investment income.

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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 720 -URI http://asc.fasb.org/topic&trid=2122503 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 610 -URI http://asc.fasb.org/topic&trid=49130413 + Details
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