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Executive Benefit Agreements and Employee Savings Plans - Additional Information (Detail) |  | 12 Months Ended
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Dec. 31, 2015 Person | Dec. 31, 2015 USD ($)
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items] |  |
Death benefit payment term |  | 10 years
Minimum amount of life insurance policies to be kept by the company for 2005 Agreement | $ |  | $ 2,500,000
Collective Bargaining Agreements [Member] |  |
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items] |  |
Number of persons employed | 669 |
Number of persons represented by union under agreements | 197 |

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- 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

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- 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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- Definition Number of persons employed. + References No definition available. + Details
Name: | lxu_NumberOfPersonsEmployed
Namespace Prefix: | lxu_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of persons employed by union. + References No definition available. + Details
Name: | lxu_NumberOfPersonsEmployedByUnion
Namespace Prefix: | lxu_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |