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Inventories
9 Months Ended
Sep. 30, 2016
Inventories [Abstract]  
Inventories

6.  INVENTORIES



Inventories are carried at lower of cost or market, except for commodities held for sale and fair-value hedged inventories, which are reported at market value.



The components of inventories are as follows (in thousands):











 

 

 

 

 



September 30,

 

December 31,



2016

 

2015



 

 

 

 

 

Finished goods

$

68,654 

 

$

71,595 

Commodities held for sale

 

35,880 

 

 

43,936 

Raw materials

 

94,080 

 

 

116,673 

Work-in-process

 

95,303 

 

 

96,950 

Supplies and parts

 

30,370 

 

 

24,803 



$

324,287 

 

$

353,957