Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Mar. 31, 2011
ASSETS
Cash and cash equivalents	$ 28,065	$ 84,402
Short-term investments-available-for-sale	85,781	83,649
Accounts receivable, net	22,666	19,997
Inventories	23,244	26,561
Other current assets	31,105	18,355
Total current assets	190,861	232,964
Property and equipment, net	38,100	32,023
Goodwill	13,183	13,183
Purchased intangibles	16,634	23,388
Other assets	10,274	7,099
Total assets	269,052	308,657
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	21,383	24,431
Accrued payroll and related expenses	6,844	7,261
Veloce accrued liability	32,870
Other accrued liabilities	9,052	12,748
Deferred revenue	2,137	2,407
Total current liabilities	72,286	46,847
Veloce accrued liability	27,530
Commitments and contingencies (Notes 8 and 11)
Stockholders' equity:
Preferred stock, $0.01 par value: Authorized shares - 2,000, none issued and outstanding
Common stock, $0.01 par value: Authorized shares - 375,000 at March 31, 2012 and 2011 Issued and outstanding shares - 61,879 at March 31, 2012 and 63,666 at March 31, 2011	619	637
Additional paid-in capital	5,881,336	5,891,036
Accumulated other comprehensive loss	(1,765)	(1,597)
Accumulated deficit	(5,710,954)	(5,628,266)
Total stockholders' equity	169,236	261,810
Total liabilities and stockholders' equity	$ 269,052	$ 308,657