Intangibles, Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified			3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended
	Mar. 31, 2013	Sep. 30, 2012	Mar. 31, 2013 Customer Relationships [Member] Maximum [Member]	Mar. 31, 2013 Customer Relationships [Member] Minimum [Member]	Mar. 31, 2013 Customer Relationships [Member] Amortizing [Member]	Sep. 30, 2012 Customer Relationships [Member] Amortizing [Member]	Mar. 31, 2013 Noncompete Agreements [Member] Maximum [Member]	Mar. 31, 2013 Noncompete Agreements [Member] Minimum [Member]	Mar. 31, 2013 Noncompete Agreements [Member] Amortizing [Member]	Sep. 30, 2012 Noncompete Agreements [Member] Amortizing [Member]	Mar. 31, 2013 Technology [Member] Maximum [Member]	Mar. 31, 2013 Technology [Member] Minimum [Member]	Mar. 31, 2013 Technology [Member] Amortizing [Member]	Sep. 30, 2012 Technology [Member] Amortizing [Member]	Mar. 31, 2013 Other Intangible Assets [Member] Maximum [Member]	Mar. 31, 2013 Other Intangible Assets [Member] Minimum [Member]	Mar. 31, 2013 Other Intangible Assets [Member] Amortizing [Member]	Sep. 30, 2012 Other Intangible Assets [Member] Amortizing [Member]	Mar. 31, 2013 Trade Name And Patents [Member] Non Amortizing [Member]	Sep. 30, 2012 Trade Name And Patents [Member] Non Amortizing [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 42,211	$ 38,669			$ 34,841	$ 31,045			$ 450	$ 710			$ 5,830	$ 5,830			$ 1,090	$ 1,084
Accumulated Amortization	(8,616)	(7,640)
Finite-Lived Intangible Assets, Net, Total	33,595	31,029
Indefinite-lived Intangible Assets																			7,590	7,677
Intangible Assets, Net	$ 41,185	$ 38,706
Finite-Lived Intangible Assets, Useful Life			20 years	9 years			5 years	1 year			11 years	11 years			7 years	2 years