Inventories (Tables)

12 Months Ended

Sep. 30, 2021

Inventory Net [Abstract]

Schedule of Inventories

	September 30, 2021			September 30, 2020
Raw materials	$	107,412		$	123,626
Work in progress		95,846			92,934
Component parts (1)		260,244			255,980
Finished goods		63,109			66,889
Customer supplied inventory		14,169			14,955
On-hand inventory for which control has transferred to the customer		(120,809	)		(116,441	)
	$	419,971		$	437,943

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