Basis of Presentation Intangibles (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2012		Sep. 30, 2011
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Intangible assets, finite and indefinite lived, gross	$ 6,087		$ 6,575
Accumulated amortization	(1,866)		(1,554)
Intangible assets, finite and indefinite lived, net	4,221		5,021
Other Intangible Assets [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Intangible assets, finite and indefinite lived, gross	318		97
Other Intangible Assets [Member] | Minimum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	2 years
Other Intangible Assets [Member] | Maximum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
In Process Research And Development [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Intangible assets, finite and indefinite lived, gross	1,600	[1]	1,600	[1]
Licenses [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Intangible assets, finite and indefinite lived, gross	0		500
Licenses [Member] | Minimum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	5 years
Licenses [Member] | Maximum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Patented Technology [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Intangible assets, finite and indefinite lived, gross	2,306		2,436
Patented Technology [Member] | Minimum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	5 years
Patented Technology [Member] | Maximum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Customer Lists [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Intangible assets, finite and indefinite lived, gross	810		876
Noncompete Agreements [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Intangible assets, finite and indefinite lived, gross	$ 1,053		$ 1,066
Noncompete Agreements [Member] | Minimum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	4 years
Noncompete Agreements [Member] | Maximum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	8 years

[1] The in-process research and development will be amortized over its useful life when it has reached technological feasibility.