Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Components of intangible assets by major class subject to amortization
Original Cost	$ 20,523	$ 20,523
Accumulated Amortization	9,033	6,872
Net Book Value	11,490	13,651
Maximum [Member]
Components of intangible assets by major class subject to amortization
Estimated Useful Life	10 years
Trade name [Member]
Components of intangible assets by major class subject to amortization
Estimated Useful Life	10 years	10 years
Original Cost	2,000	2,000
Accumulated Amortization	646	446
Net Book Value	1,354	1,554
Non-compete agreement [Member]
Components of intangible assets by major class subject to amortization
Estimated Useful Life	5 years	5 years
Original Cost	1,600	1,600
Accumulated Amortization	988	668
Net Book Value	612	932
Below market lease [Member]
Components of intangible assets by major class subject to amortization
Estimated Useful Life	5 years	5 years
Original Cost	900	900
Accumulated Amortization	685	505
Net Book Value	215	395
Customer relationships [Member]
Components of intangible assets by major class subject to amortization
Estimated Useful Life	10 years	10 years
Original Cost	13,800	13,800
Accumulated Amortization	4,491	3,111
Net Book Value	9,309	10,689
Order backlog [Member]
Components of intangible assets by major class subject to amortization
Estimated Useful Life	1 year	1 year
Original Cost	2,200	2,200
Accumulated Amortization	2,200	2,119
Net Book Value	0	81
Transition services agreement [Member]
Components of intangible assets by major class subject to amortization
Original Cost	23	23
Accumulated Amortization	23	23
Net Book Value	$ 0	$ 0
Transition services agreement [Member] | Maximum [Member]
Components of intangible assets by major class subject to amortization
Estimated Useful Life	1 year	1 year