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Executive Benefit Agreements and Employee Savings Plans (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Executive benefit expenses
Executive benefit costs	$ 158	$ 169	$ 75

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- 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:	lxu_ExecutiveBenefitExpensesAbstract
Namespace Prefix:	lxu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration