<ARTICLE> 5

                                                  
<PERIOD-TYPE>                   9-MOS                   9-MOS
<FISCAL-YEAR-END>                          NOV-30-1999             NOV-30-1998
<PERIOD-END>                               AUG-31-1999             AUG-31-1998
<CASH>                                           9,675                  10,149
<SECURITIES>                                         0                       0
<RECEIVABLES>                                  128,261                 138,079
<ALLOWANCES>                                         0                       0
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<CURRENT-ASSETS>                               252,832                 284,271
<PP&E>                                         151,900                 160,773
<DEPRECIATION>                                       0                       0
<TOTAL-ASSETS>                                 472,697                 507,448
<CURRENT-LIABILITIES>                          117,938                 107,448
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        13,007                  13,007
<OTHER-SE>                                     160,038                 141,175
<TOTAL-LIABILITY-AND-EQUITY>                   472,697                 507,448
<SALES>                                        411,162                 395,207
<TOTAL-REVENUES>                               411,162                 395,207
<CGS>                                          302,635                 296,537
<TOTAL-COSTS>                                        0                       0
<OTHER-EXPENSES>                                86,003                  79,117
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                              10,524                  11,467
<INCOME-PRETAX>                                 22,074                  14,966
<INCOME-TAX>                                     7,064                   5,238
<INCOME-CONTINUING>                             15,010                   9,728
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    15,010                   9,728
<EPS-BASIC>                                     3.75                    2.42
<EPS-DILUTED>                                     3.74                    2.37