<ARTICLE> 5
<MULTIPLIER> 1,000
       


                                                           

<PERIOD-TYPE>                                    3-MOS                   9-MOS
<FISCAL-YEAR-END>                          Dec-31-1996             Dec-31-1996
<PERIOD-START>                             Jul-01-1996             Jul-01-1996
<PERIOD-END>                               Sep-30-1996             Sep-30-1996
<CASH>                                       $  34,224               $  34,224
<SECURITIES>                                         0                       0
<RECEIVABLES>                                  209,526                 209,526
<ALLOWANCES>                                         0                       0
<INVENTORY>                                    106,660                 106,660
<CURRENT-ASSETS>                               363,060                 363,060
<PP&E>                                         229,979                 229,979
<DEPRECIATION>                                 (43,943)                (43,943)
<TOTAL-ASSETS>                                 654,970                 654,970
<CURRENT-LIABILITIES>                          137,482                 137,482
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           335                     335
<OTHER-SE>                                     238,400                 238,400
<TOTAL-LIABILITY-AND-EQUITY>                   654,970                 654,970
<SALES>                                        157,917                 439,825
<TOTAL-REVENUES>                               157,917                 439,825
<CGS>                                           70,515                 210,850
<TOTAL-COSTS>                                   70,515                 210,850
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               3,653                   9,245
<INCOME-PRETAX>                                 23,180                  61,116
<INCOME-TAX>                                     2,345                   3,385
<INCOME-CONTINUING>                                  0                       0
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 $  20,835               $  57,731
<EPS-PRIMARY>                                      .60                    1.67
<EPS-DILUTED>                                      .59                    1.65