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Schedule of Components of Inventory (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Raw materials	$ 17,603	$ 13,799
Work in-process	9,524	7,129
Finished goods	11,811	12,238
Inventory	$ 38,938	$ 33,166

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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