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Goodwill and Other Intangible Assets (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Sep. 30, 2011	Mar. 31, 2011
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	$ 30,749	$ 9,650	$ 6,588
Accumulated amortization	(7,778)	(3,566)	(4,172)
Net Book Value	22,971	6,084	2,416
Real Estate Finders' Fees [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	1,327	1,157	1,098
Accumulated amortization	(533)	(479)	(442)
Net Book Value	794	678	656
Non-compete Agreements [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	4,301	3,722	3,313
Accumulated amortization	(2,877)	(2,459)	(2,277)
Net Book Value	1,424	1,263	1,036
Favorable Lease [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	985	755	644
Accumulated amortization	(381)	(322)	(264)
Net Book Value	604	433	380
Franchise Rights [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	1,602	1,547
Accumulated amortization	(67)	(32)
Net Book Value	1,535	1,515
Deferred Financing Costs [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	7,607	2,411	1,470
Accumulated amortization	(2,493)	(262)	(1,180)
Net Book Value	5,114	2,149	290
Contractual relationship [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	14,604
Accumulated amortization	(1,407)
Net Book Value	13,197
Other [Member]
Gross carrying amount and accumulated amortization for each major class of definite-lived intangible asset
Carrying amount	323	58	63
Accumulated amortization	(20)	(12)	(9)
Net Book Value	$ 303	$ 46	$ 54