Property, Equipment, and Leasehold Improvements, net (Schedule of Property and Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Property, Plant and Equipment [Abstract]
Machinery and equipment	$ 47,377	$ 41,482
Furniture and fixtures	2,869	2,685
Land, buildings and improvements	29,553	30,016
Property and equipment, gross	79,799	74,183
Less accumulated depreciation and amortization	(50,513)	(45,224)
Total	$ 29,286	$ 28,959

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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