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Segment Information (Tables)

12 Months Ended

Mar. 31, 2012

Revenues and gross profit for each segment

The following table represents revenues and gross profit for each segment (amounts in thousands):



	Years ended March 31,
	2012				2011				2010
	Net Sales		Gross Profit		Net Sales		Gross Profit		Net Sales		Gross Profit
Semiconductor products	$	1,296,175	$	709,754	$	1,415,137	$	806,398	$	947,729	$	534,242
Technology licensing	87,001		82,640		72,068		68,038		—		—
	$	1,383,176	$	792,394	$	1,487,205	$	874,436	$	947,729	$	534,242

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

Identifiable long-lived assets (consisting of property, plant and equipment) by geographic area are as follows (amounts in thousands):



	March 31,
	2012		2011
United States	$	314,339	$	330,046
Thailand	186,098		193,729
Various other countries	16,174		16,738
Total long-lived assets	$	516,611	$	540,513

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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