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Other Income Net | 12 Months Ended
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Dec. 31, 2011
Other Income, Net [Abstract] |
OTHER INCOME, NET | 13. OTHER INCOME, NET The major changes in the components of the other income, net for the years ended December 31 were as follows (in thousands):
|  | 2011 |  |  | 2010 |  |  | 2009 |
Interest income |  | $ | 259 |  |  | $ | 442 |  |  | $ | 717 |
Unrealized gain on trading securities |  |  | — |  |  |  | 970 |  |  |  | 1,268 |
Unrealized loss on auction rate securities rights |  |  | — |  |  |  | (962 | ) |  |  | (964 | )
Credit gains (losses) on available for sale securities |  |  | 302 |  |  |  | (146 | ) |  |  | (464 | )
Foreign currency (losses) gains, net |  |  | (326 | ) |  |  | (158 | ) |  |  | 35 |
Gain on disposal of equipment |  |  | 22 |  |  |  | 249 |  |  |  | 30 |
Other |  |  | 89 |  |  |  | 102 |  |  |  | 60 |
|  | $ | 346 |  |  | $ | 497 |  |  | $ | 682 |

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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 SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 3, 6, 7, 9 Reference 2: 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=6880815&loc=d3e20235-122688 + Details
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