<ARTICLE> 5
<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   3-MOS                   YEAR
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-1999
<PERIOD-START>                             JAN-01-2000             JAN-01-1999
<PERIOD-END>                               MAR-31-2000             DEC-31-1999
<CASH>                                           1,711                   1,023
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   48,951                  52,307
<ALLOWANCES>                                     1,378                   1,270
<INVENTORY>                                     29,073                  27,624
<CURRENT-ASSETS>                                84,420                  85,648
<PP&E>                                          39,025                  37,848
<DEPRECIATION>                                  28,878                  27,731
<TOTAL-ASSETS>                                 134,385                 132,350
<CURRENT-LIABILITIES>                           47,100                  50,333
<BONDS>                                          3,583                   4,131
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<PREFERRED>                                          0                       0
<COMMON>                                             0                       0
<OTHER-SE>                                      83,776                  78,498
<TOTAL-LIABILITY-AND-EQUITY>                   134,385                 132,350
<SALES>                                         37,697                 166,556
<TOTAL-REVENUES>                                46,153                 200,622
<CGS>                                           18,306                  78,803
<TOTAL-COSTS>                                   23,353                  99,641
<OTHER-EXPENSES>                                17,367                  76,023
<LOSS-PROVISION>                                   151                   1,822
<INTEREST-EXPENSE>                                 177                     925
<INCOME-PRETAX>                                  5,350                  37,759
<INCOME-TAX>                                     2,140                  15,459
<INCOME-CONTINUING>                              3,210                  22,300
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     3,210                  22,300
<EPS-BASIC>                                          0                       0
<EPS-DILUTED>                                        0                       0