Segment and Geographic Information

12 Months Ended

Mar. 31, 2012

Operating Segment and Geographic Information [Abstract]

Segment Reporting Disclosure [Text Block]

15. Segment and Geographic Information

We have a single operating segment. This operating segment is comprised of semiconductor products used primarily in power-related applications. While we have separate legal subsidiaries with discrete financial information, we have one chief operating decision maker with highly integrated businesses.

Our net revenues by major geographic areas (based on destination) were as follows (in thousands):

		Year Ended March 31,
		2012		2011		2010
United States		$	103,122	$	102,190	$	72,362
Europe and the Middle East
	France		7,433		7,071		4,570
	Germany		47,499		42,385		27,419
	Italy		6,274		6,054		4,397
	United Kingdom		31,131		28,729		14,954
	Other		46,224		42,595		29,644
Asia Pacific
	China		61,723		68,794		48,991
	Japan		9,070		11,737		9,100
	Korea		11,988		9,464		7,364
	Singapore		10,332		10,481		2,929
	Taiwan		6,797		9,372		3,922
	Other		11,227		10,149		7,086
Rest of the World
	India		8,198		8,319		6,103
	Other		6,986		5,933		4,383
Total		$	368,004	$	363,273	$	243,224

The following table sets forth net revenues for each of our product groups fiscal 2012,2011 and 2010 (in thousands):

	Year Ended March 31,
	2012		2011			2010
Power semiconductors	$	277,718	$	252,892	$	175,699
Integrated circuits		63,597		83,225		48,372
Systems and RF power semiconductors		26,689		27,156		19,153
Total	$	368,004	$	363,273	$	243,224

In fiscal 2012, two distributors accounted for 11.3% and 11.1% of our net revenues, respectively. In fiscal 2011, two distributors accounted for 11.9% and 11.8% of our net revenues. In fiscal 2010, one distributor accounted for 10.9% of our net revenues.

Our principal foreign operations consist of our subsidiaries, IXYS GmbH in Germany and IXYS UK in the United Kingdom. The following table summarizes the net revenues, net income (loss) and long-lived assets of our domestic and foreign operations (in thousands):

		Year Ended March 31,
		2012		2011		2010
Net revenues:
	Foreign	$	175,667	$	163,277	$	118,954
	Domestic		192,337		199,996		124,270
		$	368,004	$	363,273	$	243,224
Net income (loss)
	Foreign	$	22,487	$	16,829	$	(3,825)
	Domestic		7,819		19,818		3,148
		$	30,306	$	36,647	$	(677)
				Year Ended March 31,
				2012		2011
Property, plant and equipment, net:
	United States			$	29,760	$	30,068
	Germany				24,098		20,454
	United Kingdom				2,192		1,757
	Other countries				21		32
	Total property, plant and equipment			$	56,071	$	52,311