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Segment Information (Details Textual) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 Person | Dec. 31, 2010 | Dec. 31, 2009
Segment Reporting (Textual) [Abstract] |  |  |
Number of persons employed by chemical business | 492 |  |
Number of persons represented by unions under agreements which expire July through November 2013 | 149 |  |
Sales to unrelated third parties | $ 805,256 | $ 609,905 | $ 531,838
Chemical [Member] |  |  |
Segment Reporting (Textual) [Abstract] |  |  |
Sales to unrelated third parties | 511,854 | 351,086 | 257,832
Chemical [Member] | Pryor Facility [Member] | Third Party Sales [Member] |  |  |
Segment Reporting (Textual) [Abstract] |  |  |
Sales to unrelated third parties | $ 91,900 | $ 25,000 |
Orica [Member] | Chemical [Member] |  |  |
Segment Reporting (Textual) [Abstract] |  |  |
Percentage of net sales to one customer | 11.00% | 11.00% | 7.00%

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- Definition Percentage of total net sales of net sales made to the chemical business segment customer. + References No definition available. + Details
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- Definition The number of persons employed by the chemical business segment. + References No definition available. + Details
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- Definition The number of persons employed by the chemical business segment represented by unions under agreements. + References No definition available. + Details
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Namespace Prefix: | lxu_
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- Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 1 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 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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