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Restructuring (Details)
$ in Thousands
3 Months Ended
Dec. 31, 2015
USD ($)
employee
Dec. 31, 2014
USD ($)
Sep. 30, 2015
USD ($)
Restructuring Cost and Reserve [Line Items]      
Restructuring charge $ 651 $ 0  
Q1 2016 Restructuring      
Restructuring Cost and Reserve [Line Items]      
Restructuring charge 651    
Restructuring Reserve $ 651   $ 0
Number of employees eliminated | employee 10    
Employee Termination Costs | Q1 2016 Restructuring      
Restructuring Cost and Reserve [Line Items]      
Restructuring charge $ 480    
Restructuring Reserve 480   0
Other | Q1 2016 Restructuring      
Restructuring Cost and Reserve [Line Items]      
Restructuring charge 171    
Restructuring Reserve $ 171   $ 0