<ARTICLE> 5
<LEGEND>
THE FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM FORM 10-Q FOR THE THREE MONTHS ENDED SEPTEMBER 30, 1999 AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                               DEC-31-1999
<PERIOD-END>                                    SEP-30-1999
<CASH>                                                7,602
<SECURITIES>                                              0
<RECEIVABLES>                                       301,924
<ALLOWANCES>                                          5,562
<INVENTORY>                                          18,953
<CURRENT-ASSETS>                                    405,194
<PP&E>                                               95,084
<DEPRECIATION>                                      (54,860)
<TOTAL-ASSETS>                                      928,258
<CURRENT-LIABILITIES>                               226,128
<BONDS>                                             275,990
<PREFERRED-MANDATORY>                                     0
<PREFERRED>                                               0
<COMMON>                                                393
<OTHER-SE>                                          422,291
<TOTAL-LIABILITY-AND-EQUITY>                        928,258
<SALES>                                           1,008,234
<TOTAL-REVENUES>                                  1,008,234
<CGS>                                               792,482
<TOTAL-COSTS>                                       792,482
<OTHER-EXPENSES>                                    141,978
<LOSS-PROVISION>                                        656
<INTEREST-EXPENSE>                                   14,078
<INCOME-PRETAX>                                      59,830
<INCOME-TAX>                                         25,753
<INCOME-CONTINUING>                                  34,077
<DISCONTINUED>                                            0
<EXTRAORDINARY>                                           0
<CHANGES>                                                 0
<NET-INCOME>                                         34,077
<EPS-BASIC>                                          0.88
<EPS-DILUTED>                                          0.86