Goodwill and Other Intangible Assets (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012	Jun. 30, 2012
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	$ 60,261	$ 35,511	$ 29,947
Accumulated amortization	(14,433)	(9,007)	(11,238)
Net Book Value	45,828	26,504	18,709
Real Estate Finders' Fees [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	1,518	1,457	1,373
Accumulated amortization	(578)	(590)	(553)
Net Book Value	940	867	820
Non-compete Agreements [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	4,079	4,504	4,356
Accumulated amortization	(3,290)	(3,290)	(2,993)
Net Book Value	789	1,214	1,363
Favorable Lease [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	1,001	1,159	1,159
Accumulated amortization	(361)	(436)	(409)
Net Book Value	640	723	750
Franchise Rights [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	1,519	1,625	1,559
Accumulated amortization	(143)	(102)	(82)
Net Book Value	1,376	1,523	1,477
Deferred Financing Costs [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	11,647	10,584	9,441
Accumulated amortization	(5,868)	(3,459)	(4,874)
Net Book Value	5,779	7,125	4,567
Contractual relationship [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	14,818	14,517	11,726
Accumulated amortization	(2,217)	(1,075)	(2,299)
Net Book Value	12,601	13,442	9,427
Internally developed software [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	25,399	1,344	0
Accumulated amortization	(1,934)	(19)	0
Net Book Value	23,465	1,325	0
Other [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	280	321	333
Accumulated amortization	(42)	(36)	(28)
Net Book Value	$ 238	$ 285	$ 305