Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Inventory Disclosure [Abstract]
Finished goods	$ 38,198	$ 40,260
Work in process	3,788	8,272
Raw material	73,146	65,682
Obsolescence reserve	(13,367)	(9,674)
Total	$ 101,765	$ 104,540

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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 after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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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 of valuation reserve for inventory.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 330
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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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