<ARTICLE>                     5

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                          14,932
<SECURITIES>                                         0
<RECEIVABLES>                                   59,673
<ALLOWANCES>                                     1,144
<INVENTORY>                                     21,443
<CURRENT-ASSETS>                               103,769
<PP&E>                                         107,269
<DEPRECIATION>                                  64,146
<TOTAL-ASSETS>                                 191,270
<CURRENT-LIABILITIES>                           51,505
<BONDS>                                          5,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         9,664
<OTHER-SE>                                      71,824
<TOTAL-LIABILITY-AND-EQUITY>                   191,270
<SALES>                                        132,269
<TOTAL-REVENUES>                               132,269
<CGS>                                           75,153
<TOTAL-COSTS>                                  119,024
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                (612)
<INCOME-PRETAX>                                 14,000
<INCOME-TAX>                                     4,340
<INCOME-CONTINUING>                              9,042
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,042
<EPS-BASIC>                                       1.02
<EPS-DILUTED>                                     1.02