<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 85,153 <SECURITIES> 0 <RECEIVABLES> 291,090 <ALLOWANCES> 7,331 <INVENTORY> 19,935 <CURRENT-ASSETS> 443,220 <PP&E> 278,334 <DEPRECIATION> 123,780 <TOTAL-ASSETS> 820,616 <CURRENT-LIABILITIES> 138,650 <BONDS> 195,791 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4,705 <OTHER-SE> 436,971 <TOTAL-LIABILITY-AND-EQUITY> 820,616 <SALES> 570,391 <TOTAL-REVENUES> 570,391 <CGS> 433,862 <TOTAL-COSTS> 511,741 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 9,859 <INCOME-PRETAX> 56,311 <INCOME-TAX> 23,499 <INCOME-CONTINUING> 32,819 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 32,819 <EPS-BASIC> .72 <EPS-DILUTED> .69