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INCOME TAXES (Tables)
9 Months Ended
Jun. 30, 2017
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate
The calculation of the effective tax rate is as follows (in thousands):
 
Three months ended June 30,
 
Nine months ended June 30,
 
2017
 
2016
 
2017
 
2016
Income (loss) before income taxes
$
(6,898
)
 
$
6,058

 
$
(10,812
)
 
$
10,846

 
 
 
 
 
 
 
 
Income tax provision (benefit)
(3,683
)
 
1,164

 
(6,469
)
 
844

 
 
 
 
 
 
 
 
Net income (loss)
$
(3,215
)
 
$
4,894

 
$
(4,343
)
 
$
10,002

 
 
 
 
 
 
 
 
Effective tax rate
53
%
 
19
%
 
60
%
 
8
%