<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-31-1997 <CASH> 3,936 <SECURITIES> 123,051 <RECEIVABLES> 38,747 <ALLOWANCES> 1,449 <INVENTORY> 16,661 <CURRENT-ASSETS> 69,412 <PP&E> 138,896 <DEPRECIATION> 93,969 <TOTAL-ASSETS> 395,906 <CURRENT-LIABILITIES> 35,830 <BONDS> 62,517 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 10,669 <OTHER-SE> 224,379 <TOTAL-LIABILITY-AND-EQUITY> 235,048 <SALES> 59,441 <TOTAL-REVENUES> 60,510 <CGS> 40,076 <TOTAL-COSTS> 40,076 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 286 <INTEREST-EXPENSE> 1,382 <INCOME-PRETAX> 5,778 <INCOME-TAX> 1,897 <INCOME-CONTINUING> 3,881 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,881 <EPS-PRIMARY> .91 <EPS-DILUTED> 0