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Inventories - Schedule of Inventories (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Components Of Inventory [Line Items] |  |
Finished Goods | $ 28,218 us-gaap_InventoryFinishedGoodsNetOfReserves | $ 29,163 us-gaap_InventoryFinishedGoodsNetOfReserves
Work-in- Process | 2,763 us-gaap_InventoryWorkInProcessNetOfReserves | 2,838 us-gaap_InventoryWorkInProcessNetOfReserves
Raw Materials | 25,605 us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves | 23,871 us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves
Total | 56,586 us-gaap_InventoryNet | 55,872 us-gaap_InventoryNet
Chemical Products [Member] |  |
Components Of Inventory [Line Items] |  |
Finished Goods | 19,354 us-gaap_InventoryFinishedGoodsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ChemicalProductsMember | 18,744 us-gaap_InventoryFinishedGoodsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ChemicalProductsMember
Raw Materials | 2,147 us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ChemicalProductsMember | 2,593 us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ChemicalProductsMember
Total | 21,501 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = lxu_ChemicalProductsMember | 21,337 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = lxu_ChemicalProductsMember
Climate Control Products [Member] |  |
Components Of Inventory [Line Items] |  |
Finished Goods | 5,521 us-gaap_InventoryFinishedGoodsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlProductsMember | 7,552 us-gaap_InventoryFinishedGoodsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlProductsMember
Work-in- Process | 2,763 us-gaap_InventoryWorkInProcessNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlProductsMember | 2,838 us-gaap_InventoryWorkInProcessNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlProductsMember
Raw Materials | 23,458 us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlProductsMember | 21,278 us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlProductsMember
Total | 31,742 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlProductsMember | 31,668 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlProductsMember
Industrial Machinery and Components [Member] |  |
Components Of Inventory [Line Items] |  |
Finished Goods | 3,343 us-gaap_InventoryFinishedGoodsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_IndustrialMachineryAndComponentsMember | 2,867 us-gaap_InventoryFinishedGoodsNetOfReserves / us-gaap_StatementBusinessSegmentsAxis = lxu_IndustrialMachineryAndComponentsMember
Total | $ 3,343 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = lxu_IndustrialMachineryAndComponentsMember | $ 2,867 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = lxu_IndustrialMachineryAndComponentsMember

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