Goodwill and Other Intangible Assets - Definite-lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 57,906	$ 69,030
Accumulated Amortization	(21,984)	(18,783)
Net Book Value	35,922	50,247
Real Estate Finders Fees [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	1,643	1,500
Accumulated Amortization	(733)	(713)
Net Book Value	910	787
Non-compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	3,908	3,823
Accumulated Amortization	(3,147)	(3,432)
Net Book Value	761	391
Favorable Lease [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	1,001	1,001
Accumulated Amortization	(569)	(484)
Net Book Value	432	517
Franchise Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	0	1,432
Accumulated Amortization	0	(210)
Net Book Value	0	1,222
Contractual Relationship [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	13,579	17,640
Accumulated Amortization	(4,770)	(4,418)
Net Book Value	8,809	13,222
Internally Developed Software [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	20,659	23,851
Accumulated Amortization	(4,959)	(5,092)
Net Book Value	15,700	18,759
Deferred Financing Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	16,614	19,236
Accumulated Amortization	(7,443)	(4,093)
Net Book Value	9,171	15,143
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	502	547
Accumulated Amortization	(363)	(341)
Net Book Value	$ 139	$ 206