Property and Equipment, net (Schedule of Property and Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Property, Plant and Equipment [Abstract]
Machinery and equipment	$ 66,629	$ 56,144
Furniture and fixtures	3,708	3,717
Land, buildings and improvements	48,891	40,665
Property and equipment, gross	119,228	100,526
Less accumulated depreciation and amortization	(60,381)	(54,022)
Total	$ 58,847	$ 46,504