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Executive Benefits Agreements and Employees Savings Plans - Life Insurance Premiums (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Compensation Related Costs [Abstract]
Cost of life insurance premiums	$ 1,159	$ 851	$ 851
Increases in cash surrender values	(745)	(479)	(499)
Net cost of life insurance premiums included in SG&A	$ 414	$ 372	$ 352

X

- Definition

Gross cost of life insurance premiums included in SG&A during the reporting period.

+ References

No definition available.

+ Details

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X

- Definition

Net cost of life insurance premiums included in SG&A during the reporting period.

+ References

No definition available.

+ Details

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Namespace Prefix:	lxu_
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X

- Details

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X

- Definition

The change in cash surrender or contract value during the period which adjusted the amount of premiums paid in determining the expense or income recognized under the contract for the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 30

-Section 35

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6384439&loc=d3e42048-111605

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