<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                           5,823
<SECURITIES>                                         0
<RECEIVABLES>                                  176,820
<ALLOWANCES>                                     3,547
<INVENTORY>                                     91,825
<CURRENT-ASSETS>                               315,262
<PP&E>                                         448,422
<DEPRECIATION>                                 226,061
<TOTAL-ASSETS>                                 861,379
<CURRENT-LIABILITIES>                          172,900
<BONDS>                                              0
<COMMON>                                        35,846
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                     287,631
<TOTAL-LIABILITY-AND-EQUITY>                   861,379
<SALES>                                        580,610
<TOTAL-REVENUES>                               584,700
<CGS>                                          312,266
<TOTAL-COSTS>                                  401,378
<OTHER-EXPENSES>                               157,892
<LOSS-PROVISION>                                   160
<INTEREST-EXPENSE>                               3,941
<INCOME-PRETAX>                                 21,329
<INCOME-TAX>                                     8,450
<INCOME-CONTINUING>                             12,879
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    12,879
<EPS-PRIMARY>                                     0.39
<EPS-DILUTED>                                     0.39