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Inventories (Tables)
12 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Components of Inventory The components of inventory were as follows (in thousands):

 

 

 

September 30,

 

 

 

2020

 

 

2019

 

Product

 

$

29,799

 

 

$

43,536

 

Parts and equipment

 

 

20,457

 

 

 

21,252

 

Total inventory

 

$

50,256

 

 

$

64,788