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Goodwill and Intangible Assets (Details 1) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Definite-lived Intangible Assets [Line Items]    
Definite- Lived Intangibles, Beginning balance $ 675 $ 1,065
Definite- Lived Intangibles, Intangibles acquired 5,231 0
Definite- Lived Intangibles, Impairment 0 0
Definite- Lived Intangibles, Other (737) (390)
Definite- Lived Intangibles, Ending balance 5,169 675
Licenses, Beginning balance 53,968 54,966
Licenses, Intangibles acquired 3,565 265
Licenses, Impairment (1,654) (1,263)
Licenses, Other (51) 0
Licenses, Ending balance 55,828 53,968
Goodwill, Beginning balance 43,374 43,987
Goodwill, Intangibles acquired 9,267 0
Goodwill, Imapairment 0 (613)
Goodwill, Other 0 0
Goodwill, Ending balance $ 52,641 $ 43,374