Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Indefinite useful lives:
Goodwill	$ 52,641	$ 43,374	$ 43,987
Licenses	55,828	53,968	54,966
Definite useful lives:
Distribution agreement	2,688	0
Trademarks	1,791	0
Discounted leases	148	158
Unamortized non-compete agreements	542	517
Finite-Lived Intangible Assets, Net, Total	5,169	675	$ 1,065
Total goodwill and intangible assets	$ 113,638	$ 98,017
Distribution Agreement [Member]
Definite useful lives:
Finite-Lived Intangible Asset, Useful Life	10 years
Trademarks [Member]
Definite useful lives:
Finite-Lived Intangible Asset, Useful Life	10 years
Discounted Leases [Member] | Maximum [Member]
Definite useful lives:
Finite-Lived Intangible Asset, Useful Life	18 years
Discounted Leases [Member] | Minimum [Member]
Definite useful lives:
Finite-Lived Intangible Asset, Useful Life	6 years
Unamortized Non Compete Agreements [Member]
Definite useful lives:
Finite-Lived Intangible Asset, Useful Life	5 years