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Other Income, Expense and Non-Operating Other Income, net | 12 Months Ended
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Dec. 31, 2013
Other Income And Expenses [Abstract] |
Other Income, Expense and Non-Operating Other Income, net | 17. Other Income, Expense and Non-Operating Other Income, net
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | (In Thousands) |
Other income: |  |  |  |  |  |  |  |  |  |  |  |
Realized and unrealized gains on carbon credits |  | $ | 1,233 |  |  | $ | 876 |  |  | $ | 1,995 |
Settlements of litigation and potential litigation (1) |  |  | 545 |  |  |  | 2,303 |  |  |  | 1,562 |
Miscellaneous income (2) |  |  | 545 |  |  |  | 632 |  |  |  | 381 |
Total other income |  | $ | 2,323 |  |  | $ | 3,811 |  |  | $ | 3,938 |
Other expense: |  |  |  |  |  |  |  |  |  |  |  |
Dismantle and demolition expense (3) |  | $ | 2,578 |  |  | $ | — |  |  | $ | — |
Realized and unrealized losses on contractual obligations associated with carbon credits |  |  | 1,233 |  |  |  | 721 |  |  |  | 1,844 |
Miscellaneous penalties |  |  | 824 |  |  |  | 112 |  |  |  | 168 |
Losses on sales and disposals of property and equipment |  |  | 737 |  |  |  | 996 |  |  |  | 1,280 |
Miscellaneous expense (2) |  |  | 302 |  |  |  | 289 |  |  |  | 531 |
Total other expense |  | $ | 5,674 |  |  | $ | 2,118 |  |  | $ | 3,823 |
Other income (expense), net |  | $ | (3,351 | ) |  | $ | 1,693 |  |  | $ | 115 |
Non-operating other income, net: |  |  |  |  |  |  |  |  |  |  |  |
Interest income |  | $ | 165 |  |  | $ | 87 |  |  | $ | 77 |
Miscellaneous income (2) |  |  | 1 |  |  |  | 263 |  |  |  | — |
Miscellaneous expense (2) |  |  | (66 | ) |  |  | (69 | ) |  |  | (77 | )
Total non-operating other income, net |  | $ | 100 |  |  | $ | 281 |  |  | $ | — |
(1) | Amounts relate primarily to settlements reached with certain vendors of our Chemical Business.
(2) | Amounts represent numerous unrelated transactions, none of which are individually significant requiring separate disclosure.
(3) | Amount relates to the dismantling and demolition of certain plant and equipment at our chemical facilities.

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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=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3, 6, 7, 9 -Article 5 + Details
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