<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 21,986 <SECURITIES> 351 <RECEIVABLES> 176,532 <ALLOWANCES> 3,640 <INVENTORY> 179,405 <CURRENT-ASSETS> 421,557 <PP&E> 532,225 <DEPRECIATION> 269,860 <TOTAL-ASSETS> 765,402 <CURRENT-LIABILITIES> 225,942 <BONDS> 45,671 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4,928 <OTHER-SE> 432,731 <TOTAL-LIABILITY-AND-EQUITY> 765,402 <SALES> 556,366 <TOTAL-REVENUES> 556,366 <CGS> 338,492 <TOTAL-COSTS> 338,492 <OTHER-EXPENSES> 172,903 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,934 <INCOME-PRETAX> 42,037 <INCOME-TAX> 14,395 <INCOME-CONTINUING> 27,642 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 27,642 <EPS-BASIC> 0.60 <EPS-DILUTED> 0.60