<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> MAR-31-2000 <CASH> 10,482 <SECURITIES> 0 <RECEIVABLES> 61,119 <ALLOWANCES> 654 <INVENTORY> 59,754 <CURRENT-ASSETS> 134,557 <PP&E> 108,207 <DEPRECIATION> 56,892 <TOTAL-ASSETS> 252,270 <CURRENT-LIABILITIES> 41,442 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 38,136 <OTHER-SE> 172,692 <TOTAL-LIABILITY-AND-EQUITY> 252,270 <SALES> 59,184 <TOTAL-REVENUES> 59,184 <CGS> 26,289 <TOTAL-COSTS> 26,289 <OTHER-EXPENSES> 23,635 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 9,260 <INCOME-TAX> 2,969 <INCOME-CONTINUING> 6,291 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,291 <EPS-BASIC> 0.46 <EPS-DILUTED> 0.46