<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                          26,101
<SECURITIES>                                         0
<RECEIVABLES>                                   40,867
<ALLOWANCES>                                       768
<INVENTORY>                                     25,550
<CURRENT-ASSETS>                                99,350
<PP&E>                                          98,976
<DEPRECIATION>                                  73,269
<TOTAL-ASSETS>                                 154,483
<CURRENT-LIABILITIES>                           78,989
<BONDS>                                         34,840
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        26,917
<OTHER-SE>                                      11,366
<TOTAL-LIABILITY-AND-EQUITY>                   154,483
<SALES>                                         91,533
<TOTAL-REVENUES>                               106,344
<CGS>                                           64,293
<TOTAL-COSTS>                                   73,720
<OTHER-EXPENSES>                                37,265
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,059
<INCOME-PRETAX>                                (5,674)
<INCOME-TAX>                                     1,178
<INCOME-CONTINUING>                            (6,852)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                 24,321
<CHANGES>                                            0
<NET-INCOME>                                    17,469
<EPS-PRIMARY>                                     1.79<F1>
<EPS-DILUTED>                                     1.71<F2>
<FN>
<F1>REPRESENTS EARNINGS PER SHARE - BASIC PER SFAS 128
<F2>REPRESENTS EARNINGS PER SHARE - DILUTED PER SFAS 128
</FN>