Accounts Receivable - Additional Information (Detail)	12 Months Ended
Dec. 31, 2014 Customer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade receivable payment terms	Payment terms of 15 days or less
Number of customers accounted as percentage of accounts receivable	10
Percentage of net receivables	32.00%lxu_PercentageOfNetReceivables
Receivable Sales Agreement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract period	The term of this agreement matures in August 2015, with renewal options, but either party has an option to terminate the agreement pursuant to the terms of the agreement
Contract terms	Receive payment from the Bank no later than one business day after the Bank's acceptance of EDC's offer to sell the accounts receivables

Accounts, Notes, Loans and Financing Receivable [Line Items]

Number of customers accounted as percentage of accounts receivable

The term of this agreement matures in August 2015, with renewal options, but either party has an option to terminate the agreement pursuant to the terms of the agreement