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Inventories - Additional Information (Detail) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Climate Control Products [Member]
Inventory [Line Items]
Inventory reserves	$ 1,775,000us-gaap_InventoryValuationReserves / us-gaap_ProductOrServiceAxis = lxu_ClimateControlProductsMember	$ 1,653,000us-gaap_InventoryValuationReserves / us-gaap_ProductOrServiceAxis = lxu_ClimateControlProductsMember
Chemical Products [Member]
Inventory [Line Items]
Inventory reserves	$ 221,000us-gaap_InventoryValuationReserves / us-gaap_ProductOrServiceAxis = lxu_ChemicalProductsMember	$ 1,976,000us-gaap_InventoryValuationReserves / us-gaap_ProductOrServiceAxis = lxu_ChemicalProductsMember

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Amount of valuation reserve for inventory.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

-Subparagraph a

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 35

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6386567&loc=d3e3927-108312



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-Subparagraph (SX 210.12-09)

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.BB)

-URI http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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