<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> JUN-30-1995 <CASH> 2,073 <SECURITIES> 20,565 <RECEIVABLES> 153,645 <ALLOWANCES> 0 <INVENTORY> 83,925 <CURRENT-ASSETS> 279,999 <PP&E> 377,578 <DEPRECIATION> 181,257 <TOTAL-ASSETS> 568,245 <CURRENT-LIABILITIES> 186,357 <BONDS> 0 <COMMON> 56,988 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 162,783 <TOTAL-LIABILITY-AND-EQUITY> 568,245 <SALES> 291,935 <TOTAL-REVENUES> 291,935 <CGS> 119,288 <TOTAL-COSTS> 119,288 <OTHER-EXPENSES> 113,073 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 5,169 <INCOME-PRETAX> 55,128 <INCOME-TAX> 12,404 <INCOME-CONTINUING> 42,724 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 42,724 <EPS-PRIMARY> .94 <EPS-DILUTED> 0