DETAILS OF CERTAIN BALANCE SHEET ACCOUNTS Accrued Liabilities (Tables)

3 Months Ended

Jun. 30, 2011

Balance Sheet Related Disclosures [Abstract]

Accrued Liabilities [Table Text Block]

Accrued Liabilities:

	June 30,		March 31,
(in thousands)	2011		2011
Employee compensation and benefits	$	22,687	$	27,478
Warranty obligation accrual	12,936		11,016
Accrued advertising and sales and marketing	2,669		2,873
Accrued other	15,477		18,240
Accrued liabilities	$	53,769	$	59,607