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Note 4 Debt (Tables)
9 Months Ended
Jun. 30, 2018
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments [Table Text Block]
 
As of
 
June 30,
2018
 
September 30,
2017
 
(In thousands)
Senior secured notes due 2019
$
375,000

 
$
375,000

Non-interest bearing promissory notes
17,842

 
19,863

 Total long-term debt
392,842

 
394,863

Less: Current portion of non-interest bearing promissory notes
3,280

 
3,416

Current portion of long-term debt
375,000

 

Long-term debt
$
14,562

 
$
391,447