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Goodwill and Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Goodwill $ 45,921 $ 52,641 $ 43,374
Licenses 51,775 55,828 53,968
Finite-Lived Intangible Assets, Net, Total 414 5,169 $ 675
Total goodwill and intangible assets $ 98,110 113,638  
Distribution Agreement [Member]      
Finite-Lived Intangible Asset, Useful Life 10 years    
Finite-Lived Intangible Assets, Net, Total 2,688  
Trademarks [Member]      
Finite-Lived Intangible Asset, Useful Life 10 years    
Finite-Lived Intangible Assets, Net, Total 1,791  
Discounted Leases [Member]      
Finite-Lived Intangible Assets, Net, Total $ 123 148  
Discounted Leases [Member] | Maximum [Member]      
Finite-Lived Intangible Asset, Useful Life 18 years    
Discounted Leases [Member] | Minimum [Member]      
Finite-Lived Intangible Asset, Useful Life 6 years    
Unamortized Non-compete Agreements [Member]      
Finite-Lived Intangible Asset, Useful Life 5 years    
Finite-Lived Intangible Assets, Net, Total $ 291 $ 542