<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> MAR-31-1999 <PERIOD-START> APR-01-1998 <PERIOD-END> MAR-31-1999 <CASH> 27,104 <SECURITIES> 81,698 <RECEIVABLES> 22,082 <ALLOWANCES> 9,497 <INVENTORY> 559 <CURRENT-ASSETS> 142,545 <PP&E> 69,278 <DEPRECIATION> 28,130 <TOTAL-ASSETS> 194,557 <CURRENT-LIABILITIES> 37,724 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 42 <OTHER-SE> 156,494 <TOTAL-LIABILITY-AND-EQUITY> 194,557 <SALES> 149,886 <TOTAL-REVENUES> 149,886 <CGS> 14,286 <TOTAL-COSTS> 14,286 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 27,394 <INCOME-TAX> 7,610 <INCOME-CONTINUING> 19,784 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 19,784 <EPS-BASIC> 0.51 <EPS-DILUTED> 0.44