<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> MAR-31-1998 <PERIOD-START> APR-01-1997 <PERIOD-END> MAR-31-1998 <CASH> 64,904 <SECURITIES> 0 <RECEIVABLES> 71,752 <ALLOWANCES> 1,764 <INVENTORY> 48,882 <CURRENT-ASSETS> 200,597 <PP&E> 68,475 <DEPRECIATION> 42,110 <TOTAL-ASSETS> 288,130 <CURRENT-LIABILITIES> 82,806 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 3,721 <OTHER-SE> 198,398 <TOTAL-LIABILITY-AND-EQUITY> 288,130 <SALES> 472,948 <TOTAL-REVENUES> 472,948 <CGS> 157,983 <TOTAL-COSTS> 205,522 <OTHER-EXPENSES> 199,140 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,221 <INCOME-PRETAX> 70,807 <INCOME-TAX> 29,031 <INCOME-CONTINUING> 41,776 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 41,776 <EPS-PRIMARY> 2.49 <EPS-DILUTED> 2.40