<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-END> SEP-30-2000 <CASH> 40,585 <SECURITIES> 0 <RECEIVABLES> 166,064 <ALLOWANCES> 3,789 <INVENTORY> 6,262 <CURRENT-ASSETS> 233,796 <PP&E> 237,758 <DEPRECIATION> 127,205 <TOTAL-ASSETS> 773,376 <CURRENT-LIABILITIES> 139,515 <BONDS> 3,288 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 76,761 <OTHER-SE> 514,787 <TOTAL-LIABILITY-AND-EQUITY> 773,376 <SALES> 704,955 <TOTAL-REVENUES> 704,955 <CGS> 502,912 <TOTAL-COSTS> 603,558 <OTHER-EXPENSES> (519) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 749 <INCOME-PRETAX> 101,167 <INCOME-TAX> 40,886 <INCOME-CONTINUING> 60,281 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 60,281 <EPS-BASIC> .89 <EPS-DILUTED> .86