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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] As of September 30, 2017, future minimum lease payments under noncancelable leases are as follows:

   Amount 
Fiscal Year  (In thousands) 
      
2018  $9,720 
2019   9,004 
2020   8,118 
2021   7,149 
2022   6,649 
Thereafter   34,439 
      
Total minimum payments  $75,079