Property, Equipment, and Leasehold Improvements, net (Schedule of Property and Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Property, Plant and Equipment [Abstract]
Machinery and equipment	$ 56,144	$ 47,377
Furniture and fixtures	3,717	2,869
Land, buildings and improvements	40,665	29,553
Property and equipment, gross	100,526	79,799
Less accumulated depreciation and amortization	(54,022)	(50,513)
Total	$ 46,504	$ 29,286