Basis of Presentation - Intangibles (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2014		Sep. 30, 2013
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 6,331		$ 6,303
Accumulated Amortization	(3,341)		(2,801)
Net Carrying Amount	2,990		3,502
Non-compete agreements
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,066		1,065
Accumulated Amortization	(902)		(717)
Net Carrying Amount	164		348
Non-compete agreements | Minimum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	4 years
Non-compete agreements | Maximum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	8 years
Customer lists
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	879		871
Accumulated Amortization	(601)		(532)
Net Carrying Amount	278		339
Useful Life (in years)	10 years
Technology
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,442		2,426
Accumulated Amortization	(1,664)		(1,422)
Net Carrying Amount	778		1,004
Technology | Minimum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	5 years
Technology | Maximum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
In-process research and development
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,600	[1]	1,600	[1]
Accumulated Amortization	0	[1]	0	[1]
Net Carrying Amount	1,600	[1]	1,600	[1]
Other
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	344		341
Accumulated Amortization	(174)		(130)
Net Carrying Amount	$ 170		$ 211
Other | Minimum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	2 years
Other | Maximum [Member]
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years

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