Detail of Selected Balance Sheet Accounts (Schedule of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified							12 Months Ended				12 Months Ended				12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Land	Sep. 30, 2013 Land	Sep. 30, 2014 Building And Improvements	Sep. 30, 2013 Building And Improvements	Sep. 30, 2014 Building And Improvements Minimum	Sep. 30, 2014 Building And Improvements Maximum	Sep. 30, 2014 Machinery and Equipment	Sep. 30, 2013 Machinery and Equipment	Sep. 30, 2014 Machinery and Equipment Minimum	Sep. 30, 2014 Machinery and Equipment Maximum	Sep. 30, 2014 Furniture and Fixtures	Sep. 30, 2013 Furniture and Fixtures	Sep. 30, 2014 Furniture and Fixtures Minimum	Sep. 30, 2014 Furniture and Fixtures Maximum	Sep. 30, 2014 Construction In Process	Sep. 30, 2013 Construction In Process
Property Plant And Equipment [Line Items]
Property, plant and equipment gross	$ 245,098	$ 226,488	$ 23,545	$ 24,022	$ 100,901	$ 79,621			$ 100,922	$ 71,808			$ 3,852	$ 2,736			$ 15,878	$ 48,301
Less: Accumulated depreciation	(88,202)	(81,993)
Total property, plant and equipment, net	$ 156,896	$ 144,495
Asset Lives							3 years	39 years			3 years	15 years			3 years	10 years