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INVENTORIES
9 Months Ended
Sep. 30, 2021
Inventory, Net [Abstract]  
INVENTORIES INVENTORIES
Inventoried costs contain amounts relating to long-term contracts and programs with long production cycles, a portion of which will not be realized within one year. Long-term contract inventory includes an immaterial amount of claims or other similar items subject to uncertainty concerning their determination or realization. Inventories are valued at the lower of cost or net realizable value.

The composition of inventories is as follows:

(In thousands)September 30, 2021December 31, 2020
Raw materials$194,887 $177,828 
Work-in-process81,781 80,729 
Finished goods111,914 120,767 
Inventoried costs related to U.S. Government and other long-term contracts (1)
50,086 56,599 
Inventories, net of reserves438,668 435,923 
Less:  Progress payments applied(5,528)(7,044)
Inventories, net$433,140 $428,879 

(1) As of September 30, 2021 and December 31, 2020, this caption also includes capitalized development costs of $26.3 million and $29.7 million, respectively, related to certain aerospace and defense programs. These capitalized costs will be liquidated as units are produced under contract. As of September 30, 2021 and December 31, 2020, capitalized development costs of $12.1 million and $13.0 million, respectively, are not currently supported by existing firm orders.