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OTHER INCOME, NET
 9 Months Ended
Jun. 30, 2018
OTHER INCOME, NET [Abstract]  
OTHER INCOME, NET


13.
OTHER INCOME (EXPENSE), NET

Other income (expense), net, consisted of the following:

 
Three Months Ended June 30,
 
Nine Months Ended June 30,
 
 
2018
 
2017
 
2018
 
2017
 
         
Interest income
 
$
1,141
  
$
659
  
$
3,248
  
$
1,596
 
Other income (expense)
  
486
   
(774
)
  
113
   
(481
)
Total other income (expense), net
 
$
1,627
  
$
(115
)
 
$
3,361
  
$
1,115