<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-START>                             APR-01-1998
<PERIOD-END>                               MAR-31-1999
<CASH>                                          42,999
<SECURITIES>                                         0
<RECEIVABLES>                                   49,133
<ALLOWANCES>                                     2,326
<INVENTORY>                                     18,889
<CURRENT-ASSETS>                               119,734
<PP&E>                                          47,469
<DEPRECIATION>                                  27,146
<TOTAL-ASSETS>                                 142,868
<CURRENT-LIABILITIES>                           43,438
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           185
<OTHER-SE>                                      89,220
<TOTAL-LIABILITY-AND-EQUITY>                   142,868
<SALES>                                        286,261
<TOTAL-REVENUES>                               286,261
<CGS>                                          125,698
<TOTAL-COSTS>                                  125,698
<OTHER-EXPENSES>                                77,049
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               5,785
<INCOME-PRETAX>                                 81,254
<INCOME-TAX>                                    26,001
<INCOME-CONTINUING>                             55,253
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                  1,049
<CHANGES>                                            0
<NET-INCOME>                                    54,204
<EPS-BASIC>                                       3.27
<EPS-DILUTED>                                     2.96