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Inventories

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are comprised of the following: 

	As of December 31, 2016				As of September 30, 2017
	(Dollars in thousands)
Inventories:
Raw materials and supplies	$	54,469			$	55,492
Work in process	52,379				65,349
Finished goods	49,263				43,727
Total	$	156,111			$	164,568

We recorded lower of cost or market inventory adjustments of $19.5 million and $1.8 million in the nine months ended September 30, 2016 and September 30, 2017, respectively. The decrease is attributable to the reduction in product costs and increases in prices.

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- References

No definition available.

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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

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