Inventories (Tables)

6 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory, net of reserves

Inventories, net of reserves, consist of:

	March 31, 2018		September 30, 2017
Raw materials and purchased parts	$	189,317	$	189,517
Work in progress	254,059		229,202
Finished goods	74,623		70,408
Inventories	$	517,999	$	489,127