Intangibles, Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended				12 Months Ended				12 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Customer Relationships [Member] Maximum [Member] years	Sep. 30, 2012 Customer Relationships [Member] Minimum [Member] years	Sep. 30, 2012 Customer Relationships [Member] Amortizing [Member]	Sep. 30, 2011 Customer Relationships [Member] Amortizing [Member]	Sep. 30, 2012 Noncompete Agreements [Member] Maximum [Member] years	Sep. 30, 2012 Noncompete Agreements [Member] Minimum [Member] years	Sep. 30, 2012 Noncompete Agreements [Member] Amortizing [Member]	Sep. 30, 2011 Noncompete Agreements [Member] Amortizing [Member]	Sep. 30, 2012 Technology [Member] Minimum [Member] years	Sep. 30, 2012 Technology [Member] Amortizing [Member]	Sep. 30, 2012 Other Intangible Assets [Member] Maximum [Member] years	Sep. 30, 2012 Other Intangible Assets [Member] Minimum [Member] years	Sep. 30, 2012 Other Intangible Assets [Member] Amortizing [Member]	Sep. 30, 2011 Other Intangible Assets [Member] Amortizing [Member]	Sep. 30, 2012 Trade Name And Patents [Member] Non Amortizing [Member]	Sep. 30, 2011 Trade Name And Patents [Member] Non Amortizing [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		$ 0			$ 31,045	$ 24,981			$ 710	$ 808		$ 5,830			$ 1,084	$ 455
Accumulated Amortization	7,640	5,109
Indefinite-lived Intangible Assets																	7,677	3,759
Intangible Assets, Net	$ 38,706	$ 24,894
Finite-Lived Intangible Assets, Useful Life			20	9			5	1			11		5	3