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Inventories (Tables)
 12 Months Ended
Sep. 30, 2017
Inventories  
Summary of major classes of inventories

 

 

 

 

 

 

 

 

 

 

 

September 30, 

 

 

 

    

2016

    

2017

    

 

Raw Materials

 

$

21,587

 

$

18,731

 

 

Work-in-process

 

 

118,822

 

 

130,019

 

 

Finished Goods

 

 

94,772

 

 

94,331

 

 

Other

 

 

1,377

 

 

1,376

 

 

 

 

$

236,558

 

$

244,457