<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Consolidated Statement of Earnings for the Six Months Ended June 30, 1998, and
the Consolidated Balance Sheet as of June 30, 1998, pages 2 and 3, and footnote
2, page 5, of this Form 10-Q Quarterly Report, and is qualified in its entirety
by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                          16,157
<SECURITIES>                                         0
<RECEIVABLES>                                   76,762
<ALLOWANCES>                                     3,645
<INVENTORY>                                     44,236
<CURRENT-ASSETS>                               141,847
<PP&E>                                         161,062
<DEPRECIATION>                                  96,989
<TOTAL-ASSETS>                                 230,957
<CURRENT-LIABILITIES>                           51,845
<BONDS>                                         28,113
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         3,507
<OTHER-SE>                                     123,573
<TOTAL-LIABILITY-AND-EQUITY>                   230,957
<SALES>                                        187,941
<TOTAL-REVENUES>                               187,941
<CGS>                                          108,611
<TOTAL-COSTS>                                  108,611
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   498
<INTEREST-EXPENSE>                               1,306
<INCOME-PRETAX>                                 18,562
<INCOME-TAX>                                     6,601
<INCOME-CONTINUING>                             11,961
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    11,961
<EPS-PRIMARY>                                      .70
<EPS-DILUTED>                                      .70