<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 2,373 <SECURITIES> 0 <RECEIVABLES> 359,448 <ALLOWANCES> 10,650 <INVENTORY> 11,560 <CURRENT-ASSETS> 432,165 <PP&E> 338,400 <DEPRECIATION> 85,805 <TOTAL-ASSETS> 1,435,857 <CURRENT-LIABILITIES> 203,663 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 947,681 <TOTAL-LIABILITY-AND-EQUITY> 1,435,857 <SALES> 757,263 <TOTAL-REVENUES> 757,263 <CGS> 585,946 <TOTAL-COSTS> 658,239 <OTHER-EXPENSES> 1,387 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 10,943 <INCOME-PRETAX> 89,468 <INCOME-TAX> 38,829 <INCOME-CONTINUING> 50,639 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 50,175 <EPS-BASIC> 0.87 <EPS-DILUTED> 0.70