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Inventories | 6 Months Ended
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Mar. 31, 2018
Inventory Disclosure [Abstract] |
Inventories | 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.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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