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Inventory (Schedule of Components of Inventory) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Inventory Disclosure [Abstract]
Raw materials	$ 16,224	$ 14,471
Work in-process	7,348	8,853
Finished goods	13,429	11,868
Inventory	$ 37,001	$ 35,192

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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