<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 8,897 <SECURITIES> 0 <RECEIVABLES> 68,994 <ALLOWANCES> 769 <INVENTORY> 58,366 <CURRENT-ASSETS> 139,773 <PP&E> 112,458 <DEPRECIATION> 58,603 <TOTAL-ASSETS> 259,569 <CURRENT-LIABILITIES> 44,816 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 39,639 <OTHER-SE> 175,114 <TOTAL-LIABILITY-AND-EQUITY> 259,569 <SALES> 122,829 <TOTAL-REVENUES> 122,829 <CGS> 55,154 <TOTAL-COSTS> 55,154 <OTHER-EXPENSES> 35,705 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 19,449 <INCOME-TAX> 6,129 <INCOME-CONTINUING> 13,320 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 13,320 <EPS-BASIC> 0.97 <EPS-DILUTED> 0.96