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

In certain circumstances, per contractual terms, customer deposits are received by the Company to offset obsolete and excess inventory risks. The total amount of customer deposits related to inventory and included within current liabilities on the accompanying Condensed Consolidated Balance Sheets as of March 31, 2018 and September 30, 2017 was $102.2 million and $106.2 million, respectively.