<ARTICLE> 5 <MULTIPLIER> 1000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> JUN-30-1998 <CASH> 15579 <SECURITIES> 1787 <RECEIVABLES> 86086 <ALLOWANCES> 1154 <INVENTORY> 64303 <CURRENT-ASSETS> 183572 <PP&E> 209923 <DEPRECIATION> 114952 <TOTAL-ASSETS> 436933 <CURRENT-LIABILITIES> 149912 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 245 <OTHER-SE> 149626 <TOTAL-LIABILITY-AND-EQUITY> 436933 <SALES> 343038 <TOTAL-REVENUES> 343038 <CGS> 246472 <TOTAL-COSTS> 297860 <OTHER-EXPENSES> 829 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 5266 <INCOME-PRETAX> 39122 <INCOME-TAX> 14377 <INCOME-CONTINUING> 24745 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 24745 <EPS-PRIMARY> 1.43 <EPS-DILUTED> 1.42