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Executive Benefit Agreements and Employee Savings Plans - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013
Compensation Related Costs [Abstract] |
Death benefit payment term | 10 years
Minimum amount of life insurance policies to be kept by the company for 2005 Agreement | $ 2,500,000

X
- Definition The term for monthly death benefit payments to be paid to the beneficiary + References No definition available. + Details
Name: | lxu_DeathBenefitPaymentTerm
Namespace Prefix: | lxu_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum amount of life insurance policies to be kept by the company. + References No definition available. + Details
Name: | lxu_MinimumAmountOfLifeInsurancePoliciesToBeKeptByCompany
Namespace Prefix: | lxu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_CompensationRelatedCostsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration