<ARTICLE> 5 <RESTATED> <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> MAR-31-2000 <PERIOD-START> APR-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 40,475 <SECURITIES> 92,558 <RECEIVABLES> 26,808 <ALLOWANCES> 6,166 <INVENTORY> 1,139 <CURRENT-ASSETS> 172,603 <PP&E> 86,738 <DEPRECIATION> 36,552 <TOTAL-ASSETS> 234,792 <CURRENT-LIABILITIES> 52,364 <BONDS> 0 <PREFERRED-MANDATORY> 30,048 <PREFERRED> 0 <COMMON> 47 <OTHER-SE> 151,640 <TOTAL-LIABILITY-AND-EQUITY> 234,792 <SALES> 110,545 <TOTAL-REVENUES> 110,545 <CGS> 11,683 <TOTAL-COSTS> 11,683 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 6,544 <INCOME-TAX> 4,592 <INCOME-CONTINUING> 1,952 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,952 <EPS-BASIC> 0.02 <EPS-DILUTED> 0.02