Detail of Selected Balance Sheet Accounts (Components of Inventories) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Balance Sheet Related Disclosures [Abstract]
Raw materials, parts and subassemblies	$ 40,320	$ 35,349
Work-in-progress	1,029	2,035
Provision for excess and obsolete inventory	(4,997)	(4,569)
Total inventories	$ 36,352	$ 32,815

No definition available.

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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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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount of valuation reserve for inventory.

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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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