Inventories (Tables)

6 Months Ended

Mar. 31, 2020

Inventories

Schedule of Inventories

	March 31,		September 30,
	2020		2019
Raw materials	$	143,165	$	134,878
Work in progress		131,479		133,885
Component parts (1)		303,149		287,128
Finished goods		81,765		59,051
Customer supplied inventory		13,884		13,396
On-hand inventory for which control has transferred to the customer		(142,536)		(111,502)
	$	530,906	$	516,836

(1)Component parts include items that can be sold separately as finished goods or included in the manufacture of other products.