<ARTICLE>        5
<MULTIPLIER> 1,000
       

                                       THREE MONTHS ENDED      SIX MONTHS ENDED
                                              JUNE 30,               JUNE 30,
                                                1996                   1996
                                       ------------------      ----------------
                                                           

<PERIOD-TYPE>                                     3-MOS                   6-MOS
<FISCAL-YEAR-END>                           Dec-31-1996             Dec-31-1996
<PERIOD-START>                              Apr-01-1996             Jan-01-1996
<PERIOD-END>                                Jun-30-1996             Jun-30-1996
<CASH>                                      $    36,869             $    36,869
<SECURITIES>                                        451                     451
<RECEIVABLES>                                   160,416                 160,416
<ALLOWANCES>                                         00                      00
<INVENTORY>                                     111,790                 111,790
<CURRENT-ASSETS>                                323,791                 323,791
<PP&E>                                          222,995                 222,995
<DEPRECIATION>                                  (41,080)                (41,080)
<TOTAL-ASSETS>                                  578,805                 578,805
<CURRENT-LIABILITIES>                            95,346                  95,346
<BONDS>                                              00                      00
<COMMON>                                            320                     320
<PREFERRED-MANDATORY>                                00                      00 
<PREFERRED>                                          00                      00
<OTHER-SE>                                      217,828                 217,828
<TOTAL-LIABILITY-AND-EQUITY>                    578,805                 578,805
<SALES>                                         143,746                 281,908
<TOTAL-REVENUES>                                143,746                 281,908
<CGS>                                            72,307                 140,335
<TOTAL-COSTS>                                    72,307                 140,335
<OTHER-EXPENSES>                                     00                      00
<LOSS-PROVISION>                                    322                     129
<INTEREST-EXPENSE>                                2,890                   5,592
<INCOME-PRETAX>                                  18,583                  44,736
<INCOME-TAX>                                       (898)                  1,040
<INCOME-CONTINUING>                                  00                      00
<DISCONTINUED>                                       00                      00
<EXTRAORDINARY>                                      00                      00
<CHANGES>                                            00                      00

<NET-INCOME>                                 $   14,893               $  36,896

<EPS-PRIMARY>                                $      .42               $    1.07
<EPS-DILUTED>                                $      .41               $    1.02