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Inventories	12 Months Ended
Inventories	Jun. 30, 2012
Inventory Disclosure [Abstract]
Inventories	Inventories Inventories valued on the last-in, first-out (LIFO) cost method were approximately 31 percent of total inventories in 2012 and 28 percent of total inventories in 2011. The current cost of these inventories exceeds their valuation determined on the LIFO basis by $212,033 in 2012 and $205,739 in 2011. Progress payments of $36,087 in 2012 and $33,489 in 2011 are netted against inventories.

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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