<ARTICLE> 5

                                                  
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-2000
<PERIOD-START>                             APR-01-2000             JAN-01-2000
<PERIOD-END>                               JUN-30-2000             JUN-30-2000
<CASH>                                      31,448,000                       0
<SECURITIES>                                 8,615,000                       0
<RECEIVABLES>                               41,580,000                       0
<ALLOWANCES>                                         0                       0
<INVENTORY>                                 11,692,000                       0
<CURRENT-ASSETS>                            95,618,000                       0
<PP&E>                                      57,785,000                       0
<DEPRECIATION>                            (26,382,000)                       0
<TOTAL-ASSETS>                             265,212,000                       0
<CURRENT-LIABILITIES>                       46,412,000                       0
<BONDS>                                     20,160,000                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        12,000                       0
<OTHER-SE>                                 136,394,000                       0
<TOTAL-LIABILITY-AND-EQUITY>               265,212,000                       0
<SALES>                                     84,276,000             171,236,000
<TOTAL-REVENUES>                            84,276,000             171,236,000
<CGS>                                       60,089,000             123,944,000
<TOTAL-COSTS>                               60,089,000             123,944,000
<OTHER-EXPENSES>                            15,394,000              31,360,000
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                             457,000                 921,000
<INCOME-PRETAX>                              8,806,000              15,892,000
<INCOME-TAX>                                 3,611,000               6,516,000
<INCOME-CONTINUING>                          5,195,000               9,376,000
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 5,195,000               9,376,000
<EPS-BASIC>                                       0.45                    0.81
<EPS-DILUTED>                                     0.44                    0.79