<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                         DEC-31-2000
<PERIOD-START>                            JAN-01-2000
<PERIOD-END>                              SEP-30-2000
<CASH>                                         45,661
<SECURITIES>                                        0
<RECEIVABLES>                                 209,074
<ALLOWANCES>                                  (7,299)
<INVENTORY>                                   116,372
<CURRENT-ASSETS>                              394,470
<PP&E>                                        728,671
<DEPRECIATION>                              (379,166)
<TOTAL-ASSETS>                                895,223
<CURRENT-LIABILITIES>                         213,986
<BONDS>                                       228,243
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                         0
<COMMON>                                          366
<OTHER-SE>                                    404,318
<TOTAL-LIABILITY-AND-EQUITY>                  895,223
<SALES>                                       670,004
<TOTAL-REVENUES>                              670,004
<CGS>                                         418,517
<TOTAL-COSTS>                                 581,675
<OTHER-EXPENSES>                              163,158
<LOSS-PROVISION>                                    0
<INTEREST-EXPENSE>                           (14,106)
<INCOME-PRETAX>                                77,427
<INCOME-TAX>                                   27,119
<INCOME-CONTINUING>                            50,308
<DISCONTINUED>                                      0
<EXTRAORDINARY>                                     0
<CHANGES>                                           0
<NET-INCOME>                                   50,308
<EPS-BASIC>                                      1.40
<EPS-DILUTED>                                    1.38