<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF INCOME INCLUDED IN THE COMPANY'S FORM 10-Q FOR THE PERIOD ENDING JUNE 30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 55,575 <SECURITIES> 27,366 <RECEIVABLES> 110,160 <ALLOWANCES> 3,570 <INVENTORY> 12,283 <CURRENT-ASSETS> 216,529 <PP&E> 144,158 <DEPRECIATION> 76,560 <TOTAL-ASSETS> 415,854 <CURRENT-LIABILITIES> 99,175 <BONDS> 5,782 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 163,497 <OTHER-SE> 138,602 <TOTAL-LIABILITY-AND-EQUITY> 415,854 <SALES> 163,986 <TOTAL-REVENUES> 239,548 <CGS> 52,316 <TOTAL-COSTS> 104,865 <OTHER-EXPENSES> 105,555 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 210 <INCOME-PRETAX> 31,632 <INCOME-TAX> 16,046 <INCOME-CONTINUING> 15,586 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 15,586 <EPS-PRIMARY> (0.49) <EPS-DILUTED> (0.46)