Inventories (Tables)

6 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories, net are as follows: 

	March 31, 2018		September 30, 2017
Components, assemblies and parts	$	94,988	$	86,991
Customer projects in various stages of completion	37,412		30,225
Finished goods	11,087		10,512
Total inventories, net	$	143,487	$	127,728