<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-END>                               MAR-31-1996             JUN-30-1996             SEP-29-1996
<CASH>                                           8,316                  13,288                   9,650
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                  169,324                  96,513                 174,664
<ALLOWANCES>                                     2,472                   2,503                   2,425
<INVENTORY>                                    198,505                 238,002                 222,765
<CURRENT-ASSETS>                               420,256                 396,882                 443,444
<PP&E>                                          65,908                  72,051                  81,812
<DEPRECIATION>                                  26,987                  28,932                  30,764
<TOTAL-ASSETS>                                 491,790                 474,712                 530,945
<CURRENT-LIABILITIES>                          144,086                 111,438                 143,132
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                           265                     267                     267
<OTHER-SE>                                     333,105                 345,306                 371,032
<TOTAL-LIABILITY-AND-EQUITY>                   491,790                 474,712                 530,945
<SALES>                                        260,351                 453,626                 762,645
<TOTAL-REVENUES>                               262,927                 458,861                 772,089
<CGS>                                          187,557                 319,800                 533,322
<TOTAL-COSTS>                                  187,557                 319,800                 533,322
<OTHER-EXPENSES>                                42,718                  84,874                 134,792
<LOSS-PROVISION>                                   222                     460                     683
<INTEREST-EXPENSE>                                 521                     984                   1,991
<INCOME-PRETAX>                                 32,131                  53,203                 101,984
<INCOME-TAX>                                    11,792                  19,526                  37,428
<INCOME-CONTINUING>                             20,339                  33,677                  64,556
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                    20,339                  33,677                  64,556
<EPS-PRIMARY>                                     0.39                    0.64                    1.23
<EPS-DILUTED>                                     0.38                    0.63                    1.21
        

</TABLE>