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Executive Benefits Agreements and Employees Savings Plans - Executive Benefit Expenses (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Compensation Related Costs [Abstract]
Executive benefit costs	$ (2)	$ 186	$ 158

X

- Definition

Costs associated with executive benefits agreements included in SG&A during the reporting period.

+ References

No definition available.

+ Details

Name:	lxu_ExecutiveBenefitCosts
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