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Property and Business Interruption Insurance Claims and Recoveries - Additional Information (Detail) (USD $) | 12 Months Ended |  | 1 Months Ended | 2 Months Ended | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Oct. 31, 2013 El Dorado Facility [Member] | Nov. 30, 2013 El Dorado Facility [Member] | Dec. 31, 2013 El Dorado Facility [Member] Property Insurance [Member] | Dec. 31, 2013 El Dorado Facility [Member] Business Interruption Insurance [Member] | Dec. 31, 2013 El Dorado Facility [Member] Business Interruption Insurance [Member] Cost of sales [Member] | Dec. 31, 2012 El Dorado Facility [Member] Business Interruption Insurance [Member] Cost of sales [Member] | Dec. 31, 2013 Cherokee Facility [Member] | Dec. 31, 2013 Cherokee Facility [Member] Property Insurance [Member] | Dec. 31, 2013 Cherokee Facility [Member] Business Interruption Insurance [Member] | Dec. 31, 2013 Cherokee Facility [Member] Business Interruption Insurance [Member] Cost of sales [Member] | Dec. 31, 2011 Pryor Facility [Member] Business Interruption Insurance [Member] | Dec. 31, 2011 Pryor Facility [Member] Business Interruption Insurance [Member] Cost of sales [Member]
Property And Or Business Interruption Insurance Claims [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deductible property damage under insurance |  |  |  |  | $ 1,000,000 |  |  |  |  | $ 2,500,000 |  |  |  |
Waiting period for business interruption coverage |  |  |  |  |  | 30 days |  |  |  |  | 30 days |  | 30 days |
Approved insurance payments |  |  | 113,000,000 |  | 90,700,000 | 22,300,000 | 15,000,000 | 7,300,000 |  |  |  |  |  |
Approved insurance payments received |  |  |  | 53,000,000 |  |  |  |  |  |  |  |  |  |
Approved insurance payments received prior to conclusion |  |  | 60,000,000 |  |  |  |  |  |  |  |  |  |  |
Insurance claim recoverable costs |  |  |  |  | 24,700,000 |  |  |  |  |  |  | 13,600,000 |  |
Property insurance recoveries in excess of losses incurred | 66,255,000 |  |  |  | 66,000,000 |  |  |  |  |  |  |  |  |
Insurance payments received with reservation of rights |  |  |  |  |  |  |  |  |  |  | 15,000,000 |  |  |
Deferred gain on insurance recovery |  |  |  |  |  |  |  |  |  |  | 1,400,000 |  |  |
Insurance claim receivable | 1,865,000 | 10,059,000 |  |  |  |  |  |  | 1,900,000 |  |  |  |  |
Gain on business interruption insurance recovery |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,600,000

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- Definition Amount approved by an insurance company in settlement or partial settlement of a claim for reimbursement when the Company has suffered a loss covered under an insurance policy. + References No definition available. + Details
Name: | lxu_AmountApprovedUnderInsuranceClaim
Namespace Prefix: | lxu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Deductible for property damage. + References No definition available. + Details
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Namespace Prefix: | lxu_
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Balance Type: | debit
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- Definition Amount of gain contingency relating to an insurance recovery that was deferred as of the balance sheet date. + References No definition available. + Details
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- Definition The amount of recoverable costs included in an insurance claim. + References No definition available. + Details
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Balance Type: | credit
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- Definition Amounts due for claims covered under insurance policies and to be paid by our insurance companies. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Proceeds from insurance recoveries. + References No definition available. + Details
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- Definition Proceeds From Insurance Recoveries Prior To Conclusion Of Claims + References No definition available. + Details
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- Definition Proceeds from insurance recoveries with reservation of rights. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Details
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- Definition The amount of property insurance recoveries in excess of losses incurred. + References No definition available. + Details
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- Definition Waiting period before costs can be included in a claim for business interruption insurance coverage. + References No definition available. + Details
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Data Type: | xbrli:durationItemType
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- Definition The net amount (to the extent disclosed within this portion of the income statement) by which an insurance settlement exceeds incremental costs incurred from the event causing an interruption of business, plus the insurance award for earnings lost from the event, such as a natural catastrophe, explosion or fire. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6365675&loc=d3e16285-107787 + Details
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