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Inventories (Tables)
 9 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Components of Inventory The components of inventory were as follows (in thousands):

 

 

 

June 30,

2021

 

 

September 30,

2020

 

Product

 

$

34,772

 

 

$

29,799

 

Parts and equipment

 

 

21,897

 

 

 

20,457

 

Total inventory

 

$

56,669

 

 

$

50,256