<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 134,082 <SECURITIES> 63,493 <RECEIVABLES> 47,335 <ALLOWANCES> 2,515 <INVENTORY> 54,175 <CURRENT-ASSETS> 320,527 <PP&E> 47,582 <DEPRECIATION> 26,437 <TOTAL-ASSETS> 350,815 <CURRENT-LIABILITIES> 56,579 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,472 <OTHER-SE> 291,764 <TOTAL-LIABILITY-AND-EQUITY> 350,815 <SALES> 120,550 <TOTAL-REVENUES> 120,550 <CGS> 0 <TOTAL-COSTS> 53,872 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 16,790 <INCOME-TAX> 5,531 <INCOME-CONTINUING> 11,259 <DISCONTINUED> 45,376 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 56,635 <EPS-PRIMARY> 2.57 <EPS-DILUTED> 2.57