REVENUE AND MAJOR CUSTOMERS (Tables)

6 Months Ended

Sep. 30, 2011

REVENUE AND MAJOR CUSTOMERS [Abstract]

Net Revenues by Product Group [Table Text Block]

The following table presents net revenues by product group for the three and six months ended September 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	September 30,				September 30,
(in thousands)	2011		2010		2011		2010
Net revenues from unaffiliated customers:
Office and Contact Center	$	136,395	$	117,951	$	267,394	$	235,531
Mobile	28,341		27,581		60,505		66,238
Gaming and Computer Audio	8,381		8,179		15,776		17,504
Clarity	3,831		4,544		8,873		9,667
Total net revenues	$	176,948	$	158,255	$	352,548	$	328,940

Net Revenues by Geography [Table Text Block]

The following table presents net revenues by geography for the three and six months ended September 30, 2011 and 2010:

	Three Months Ended				Six Months Ended
	September 30,				September 30,
(in thousands)	2011		2010		2011		2010
Net revenues from unaffiliated customers:
U.S.	$	101,196	$	96,100	$	201,487	$	200,092
Europe, Middle East and Africa	43,596		36,299		86,758		75,081
Asia Pacific	19,993		14,642		39,230		30,905
Americas, excluding U.S.	12,163		11,214		25,073		22,862
Total international net revenues	75,752		62,155		151,061		128,848
Total net revenues	$	176,948	$	158,255	$	352,548	$	328,940