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Inventories	6 Months Ended
Inventories	Jun. 30, 2014
Inventory Disclosure [Abstract]
Inventories	INVENTORIES For the six months ended June 30, 2014, we incurred a temporary last-in, first-out (LIFO) liquidation gain due to reductions in work in process inventory of $0.1 million which we expect to be restored by the end of the year. For the three months ended June 30, 2014, we restored $0.4 million LIFO liquidation incurred in the first three months of 2014 as a result of reductions in finished cement and work in process inventory. We did not incur a temporary LIFO liquidation gain during the six months or the three months ended June 30, 2013. The temporary LIFO liquidation gain has been deferred as a component of accrued liabilities.

The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

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