<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-26-1997
<PERIOD-START>                             DEC-28-1996
<PERIOD-END>                               JUN-27-1997
<CASH>                                          25,548
<SECURITIES>                                         0
<RECEIVABLES>                                  273,627
<ALLOWANCES>                                     4,874
<INVENTORY>                                          0
<CURRENT-ASSETS>                               356,539
<PP&E>                                         120,941
<DEPRECIATION>                                  49,528
<TOTAL-ASSETS>                               1,196,056
<CURRENT-LIABILITIES>                          226,874
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           392
<OTHER-SE>                                     440,177
<TOTAL-LIABILITY-AND-EQUITY>                 1,196,056
<SALES>                                              0
<TOTAL-REVENUES>                               739,618
<CGS>                                                0
<TOTAL-COSTS>                                  500,220
<OTHER-EXPENSES>                                20,462
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               6,460
<INCOME-PRETAX>                                 33,049
<INCOME-TAX>                                    14,602
<INCOME-CONTINUING>                             18,447
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    18,447
<EPS-PRIMARY>                                      .46<F1>
<EPS-DILUTED>                                        0
<FN>
<F1> REFLECTS AUGUST 7, 1997 TWO-FOR-ONE STOCK SPLIT.
</FN>