<ARTICLE> 5 <LEGEND> First Quarter 1998 Form 10-Q </LEGEND> <RESTATED> <MULTIPLIER> 1,000 <CURRENCY> USD <PERIOD-TYPE> 3-MOS 3-MOS <FISCAL-YEAR-END> DEC-31-1998 DEC-31-1997 <PERIOD-START> JAN-01-1998 JAN-01-1997 <PERIOD-END> MAR-31-1998 MAR-31-1997 <EXCHANGE-RATE> 1 1 <CASH> 111035 14289 <SECURITIES> 74945 80101 <RECEIVABLES> 52977 68206 <ALLOWANCES> 8802 3933 <INVENTORY> 16455 13632 <CURRENT-ASSETS> 285775 186114 <PP&E> 75287 71547 <DEPRECIATION> 39166 34297 <TOTAL-ASSETS> 416164 297056 <CURRENT-LIABILITIES> 132150 78277 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 33220 34141 <OTHER-SE> 104030 146734 <TOTAL-LIABILITY-AND-EQUITY> 416164 297056 <SALES> 0 0 <TOTAL-REVENUES> 122965 126951 <CGS> 0 0 <TOTAL-COSTS> 76909 72317 <OTHER-EXPENSES> 48901 46416 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 0 0 <INCOME-PRETAX> (2845) 8218 <INCOME-TAX> (1081) 3123 <INCOME-CONTINUING> (1764) 5095 <DISCONTINUED> 0 49 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> (1764) 5144 <EPS-PRIMARY> (0.05) 0.15 <EPS-DILUTED> (0.05) 0.15