<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> MAR-31-2000 <PERIOD-START> APR-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 31,775 <SECURITIES> 80,806 <RECEIVABLES> 12,598 <ALLOWANCES> 8,354 <INVENTORY> 715 <CURRENT-ASSETS> 144,771 <PP&E> 76,355 <DEPRECIATION> 30,914 <TOTAL-ASSETS> 199,630 <CURRENT-LIABILITIES> 37,729 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 43 <OTHER-SE> 161,599 <TOTAL-LIABILITY-AND-EQUITY> 199,630 <SALES> 48,935 <TOTAL-REVENUES> 48,935 <CGS> 4,992 <TOTAL-COSTS> 4,992 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 9,692 <INCOME-TAX> 2,520 <INCOME-CONTINUING> 7,172 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 7,172 <EPS-BASIC> 0.18 <EPS-DILUTED> 0.15