<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM (A) THE CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF INCOME INCLUDED IN THE COMPANY'S FORM 10-Q FOR THE PERIOD ENDING SEPTEMBER 30, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH (B) FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> SEP-30-1996 <EXCHANGE-RATE> 1 <CASH> 31,165 <SECURITIES> 76,027 <RECEIVABLES> 48,274 <ALLOWANCES> 825 <INVENTORY> 15,541 <CURRENT-ASSETS> 179,512 <PP&E> 88,947 <DEPRECIATION> 40,930 <TOTAL-ASSETS> 260,545 <CURRENT-LIABILITIES> 57,394 <BONDS> 59,500 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 67,468 <OTHER-SE> 76,183 <TOTAL-LIABILITY-AND-EQUITY> 260,545 <SALES> 163,669 <TOTAL-REVENUES> 218,251 <CGS> 54,665 <TOTAL-COSTS> 94,277 <OTHER-EXPENSES> 83,050 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,576 <INCOME-PRETAX> 41,950 <INCOME-TAX> 15,521 <INCOME-CONTINUING> 26,429 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 26,429 <EPS-PRIMARY> 1.15 <EPS-DILUTED> 1.06