<ARTICLE> 5
<MULTIPLIER>        1,000
       
                                
<PERIOD-TYPE>                      3-MOS
<FISCAL-YEAR-END>             DEC-31-1997
<PERIOD-END>                  MAR-31-1997
<CASH>                              9,710
<SECURITIES>                       37,555
<RECEIVABLES>                     172,624
<ALLOWANCES>                            0
<INVENTORY>                       126,189
<CURRENT-ASSETS>                  361,026
<PP&E>                            416,395
<DEPRECIATION>                    197,404
<TOTAL-ASSETS>                    769,816
<CURRENT-LIABILITIES>             348,333
<BONDS>                                 0
<COMMON>                           56,988
<PREFERRED-MANDATORY>                   0
<PREFERRED>                             0
<OTHER-SE>                         47,296
<TOTAL-LIABILITY-AND-EQUITY>      769,816
<SALES>                           178,839
<TOTAL-REVENUES>                  178,839
<CGS>                              80,015
<TOTAL-COSTS>                      80,015
<OTHER-EXPENSES>                  187,638
<LOSS-PROVISION>                        0
<INTEREST-EXPENSE>                  6,024
<INCOME-PRETAX>                   (92,308)
<INCOME-TAX>                        5,454
<INCOME-CONTINUING>               (97,762)
<DISCONTINUED>                          0
<EXTRAORDINARY>                         0
<CHANGES>                               0
<NET-INCOME>                      (97,762)
<EPS-PRIMARY>                       (2.25)
<EPS-DILUTED>                       (2.25)