The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Basis of Presentation - Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified							6 Months Ended				6 Months Ended
	Mar. 31, 2013	Sep. 30, 2012	Mar. 31, 2013 Land, building and leasehold improvements [Member]	Sep. 30, 2012 Land, building and leasehold improvements [Member]	Mar. 31, 2013 Equipment and machinery [Member]	Sep. 30, 2012 Equipment and machinery [Member]	Mar. 31, 2013 Equipment and machinery [Member] Minimum [Member]	Mar. 31, 2013 Equipment and machinery [Member] Maximum [Member]	Mar. 31, 2013 Furniture and fixtures [Member]	Sep. 30, 2012 Furniture and fixtures [Member]	Mar. 31, 2013 Furniture and fixtures [Member] Minimum [Member]	Mar. 31, 2013 Furniture and fixtures [Member] Maximum [Member]	Mar. 31, 2013 Building [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)							3 years	7 years			5 years	10 years	20 years
Property, plant and equipment, gross	$ 23,303	$ 23,206	$ 10,465	$ 10,476	$ 7,383	$ 7,272			$ 5,455	$ 5,458
Accumulated depreciation and amortization	(11,786)	(10,819)
Property, plant and equipment - net	$ 11,517	$ 12,387