Inventories	9 Months Ended
Sep. 30, 2012
Inventories [Abstract]
Inventories	(8) Inventories Approximately ninety percent of the Company’s inventories are valued at the lower of LIFO cost or market. Final inventory determination under the LIFO costing method is made at the end of each fiscal year based on the actual inventory levels and costs at that time. Interim LIFO determinations, including those at September 30, 2012, are based on management’s estimates of future inventory levels and costs. The Company values its LIFO increments using the cost of its latest purchases during the periods reported. Current replacement cost of inventories exceeded book value by $140,544 and $138,882 at September 30, 2012 and December 31, 2011, respectively. Income taxes would become payable on any realization of this excess from reductions in the level of inventories.

- Definition

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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