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ACQUISITIONS (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Sep. 30, 2015
Mar. 31, 2015
Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]        
Goodwill $ 52,641 $ 52,641 $ 43,425 $ 43,374
Robust [Member]        
Restructuring Cost and Reserve [Line Items]        
Inventory and accounts receivable 500      
Equipment, furniture and fixtures 356      
Definite-lived intangibles 4,931      
Goodwill 5,326      
Accounts payable (1,482)      
Notes payable (963)      
Deferred tax liability (1,725)      
Noncontrolling interest (3,393)      
Net assets $ 3,550