<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> MAR-31-1999 <PERIOD-START> APR-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 119,231 <SECURITIES> 0 <RECEIVABLES> 46,550 <ALLOWANCES> 2,233 <INVENTORY> 19,334 <CURRENT-ASSETS> 188,515 <PP&E> 48,117 <DEPRECIATION> 28,540 <TOTAL-ASSETS> 211,318 <CURRENT-LIABILITIES> 47,185 <BONDS> 65,050 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 180 <OTHER-SE> 89,838 <TOTAL-LIABILITY-AND-EQUITY> 211,318 <SALES> 213,248 <TOTAL-REVENUES> 213,248 <CGS> 95,091 <TOTAL-COSTS> 95,091 <OTHER-EXPENSES> 56,607 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 5,476 <INCOME-PRETAX> 59,568 <INCOME-TAX> 19,061 <INCOME-CONTINUING> 40,507 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 40,507 <EPS-PRIMARY> 2.45 <EPS-DILUTED> 2.22