Inventories (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Inventory Net [Abstract]
Finished goods	$ 31,740	$ 44,391
Work-in-process	24,085	25,156
Raw materials	96,363	86,933
Obsolescence reserve	(7,769)	(6,932)
Total	$ 144,419	$ 149,548

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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