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Acquisitions (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Business Acquisition [Line Items]      
Goodwill $ 52,641 $ 43,374 $ 43,987
Foster Clubs [Member]      
Business Acquisition [Line Items]      
Buildings and land     10,066
Goodwill     (431)
Net assets     $ 9,635