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Inventories - Additional Information (Detail) - USD ($) $ in Millions	Jun. 30, 2015	Sep. 30, 2014
Inventory Disclosure [Abstract]
Inventories market valuation allowance	$ 1.9	$ 2.2

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- References

No definition available.

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- Definition

Amount of valuation reserve for inventory.

+ References

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-Name Accounting Standards Codification



-Topic 330



-SubTopic 10



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-Publisher FASB



-Name Accounting Standards Codification



-Topic 235



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