<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> MAR-31-1999 <PERIOD-START> APR-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 45,989 <SECURITIES> 55,438 <RECEIVABLES> 22,073 <ALLOWANCES> 9,546 <INVENTORY> 522 <CURRENT-ASSETS> 133,559 <PP&E> 65,245 <DEPRECIATION> 26,026 <TOTAL-ASSETS> 183,803 <CURRENT-LIABILITIES> 39,252 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 41 <OTHER-SE> 144,092 <TOTAL-LIABILITY-AND-EQUITY> 183,803 <SALES> 105,789 <TOTAL-REVENUES> 105,789 <CGS> 10,056 <TOTAL-COSTS> 82,019 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 17,511 <INCOME-TAX> 5,070 <INCOME-CONTINUING> 12,441 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 12,441 <EPS-PRIMARY> .32 <EPS-DILUTED> .28