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Inventories | 9 Months Ended
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Apr. 30, 2012
Inventories [Abstract] |
Inventories | (8) Inventories Inventories consist of the following:
| ##### April 30, 2012 |  | July 31, 2011
Raw materials and components | $ 58,217,000 |  | 53,678,000
Work-in-process and finished goods | 33,874,000 |  | 34,299,000
Total inventories | 92,091,000 |  | 87,977,000
Less reserve for excess and obsolete inventories | 15,427,000 |  | 13,316,000
Inventories, net | $ 76,664,000 |  | 74,661,000
At April 30, 2012 and July 31, 2011, the amount of inventory directly related to long-term contracts (including contracts-in-progress) was $4,709,000 and $8,041,000, respectively. At April 30, 2012, $3,140,000 of our long-term contract inventory relates to BFT-1 and MTS business activities with the U.S. Army. Our BFT-1 contracts are known as "indefinite delivery/indefinite quantity" type contracts; thus, the U.S. Army is not obligated to purchase any additional products or services from us in the future. Almost all of our BFT-1 inventory relates to BFT-1 orders already in our backlog. The remaining portion is expected to be used for incidental purchases and customer repairs. If we are left with inventories of unusable parts, we would likely have to write-off the remaining balance in the period that we make such determination. At April 30, 2012 and July 31, 2011, $1,135,000 and $1,339,000, respectively, of the total inventory balance above related to contracts from third party commercial customers who outsource their manufacturing to us.

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a, b, c -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section A -Paragraph 9 -Chapter 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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