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Inventories

12 Months Ended

Dec. 31, 2014

Note 7.

Inventories

As of December 31, 2013 and 2014, inventories consisted of the following:

	December 31,
	2013		2014
	(in thousands)

Finished goods	$	53,957		54,302
Work in process		70,388		71,086
Raw materials		52,994		40,689
Supplies		60		28
	$	177,399		166,105

Inventory write-downs were $12,418 thousand, $10,759 thousand and $8,198 thousand for the years ended December 31, 2012, 2013 and 2014, respectively, and are included in cost of revenues.

- Definition

The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

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