Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2011
Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: [Line Items]
Net Long Lived Assets	$ 209,621		$ 215,650
United States [Member]
Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: [Line Items]
Net Sales	61,195	[1]	72,269	[1]	66,342	[1]
Net Long Lived Assets	42,233	[2]	47,645	[2]	41,403	[2]
Net Assets	71,227		82,337		74,232
Hungary [Member]
Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: [Line Items]
Net Sales		[1],[3]		[1],[3]		[1],[3]
Net Long Lived Assets	91,779	[2]	96,394	[2]	98,326	[2]
Net Assets	142,424		135,521		126,589
Germany [Member]
Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: [Line Items]
Net Sales	24,873	[1]	34,600	[1]	26,250	[1]
Net Long Lived Assets		[2]		[2]		[2]
Other Europe [Member]
Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: [Line Items]
Net Sales	35,837	[1]	56,030	[1]	45,761	[1]
Net Long Lived Assets		[2]		[2]		[2]
Asia [Member]
Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: [Line Items]
Net Sales	15,938	[1]	21,374	[1]	11,266	[1]
Net Long Lived Assets		[2]		[2]		[2]
Mexico [Member]
Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: [Line Items]
Net Sales		[1],[3]		[1],[3]		[1],[3]
Net Long Lived Assets	75,609	[2]	71,611	[2]	75,354	[2]
Net Assets	93,565		83,113		80,726
Other Areas [Member]
Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: [Line Items]
Net Sales	2,608	[1]	2,064	[1]	2,067	[1]
Net Long Lived Assets		[2]		[2]		[2]
Total [Member]
Note 4 - Business Segment and Geopgraphic Information (Details) - Summary of net sales, long-lived assets, and net assets by geographic area: [Line Items]
Net Sales	140,451	[1]	186,337	[1]	151,686	[1]
Net Long Lived Assets	209,621	[2]	215,650	[2]	215,083	[2]
Net Assets	$ 307,216		$ 300,971		$ 281,547

[1] Revenues are attributed to countries based on the delivery location of the customer.

[2] Property and equipment net of accumulated depreciation based on country location of assets.

[3] Net sales for this country were less than 10% of total sales. Such sales were aggregated into "Other Europe," "Asia" or"Other areas."