<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> SEP-30-1998 <PERIOD-START> OCT-01-1997 <PERIOD-END> SEP-30-1998 <CASH> 159,687 <SECURITIES> 440,082 <RECEIVABLES> 139,546 <ALLOWANCES> 13,210 <INVENTORY> 0 <CURRENT-ASSETS> 768,556 <PP&E> 195,249 <DEPRECIATION> 95,370 <TOTAL-ASSETS> 946,627 <CURRENT-LIABILITIES> 268,216 <BONDS> 13,138 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 665 <OTHER-SE> 659,722 <TOTAL-LIABILITY-AND-EQUITY> 946,627 <SALES> 717,940 <TOTAL-REVENUES> 717,940 <CGS> 93,767 <TOTAL-COSTS> 93,767 <OTHER-EXPENSES> 531,040 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,975 <INCOME-PRETAX> 119,117 <INCOME-TAX> 55,819 <INCOME-CONTINUING> 63,298 <DISCONTINUED> 0 <EXTRAORDINARY> 28,404 <CHANGES> 0 <NET-INCOME> 91,702 <EPS-PRIMARY> 1.40 <EPS-DILUTED> 1.34