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Inventories (Tables)
6 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Components of Inventory

The components of inventory were as follows (in thousands):

 

 

 

March 31,

2018

 

 

September 30,

2017

 

Product

 

$

37,876

 

 

$

37,941

 

Parts and equipment

 

 

21,850

 

 

 

21,655

 

Total inventory

 

$

59,726

 

 

$

59,596