Inventories (Tables)

6 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories as of March 31, 2018 and September 30, 2017 consisted of the following (in thousands):

	March 31, 2018		September 30, 2017
Raw materials	$	526,709	$	477,921
Work-in-process	89,437		86,367
Finished goods	85,520		90,354
Total inventories	$	701,666	$	654,642