<ARTICLE> 5 <MULTIPLIER> 1000 <PERIOD-TYPE> 3-MOS 6-MOS 9-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1997 DEC-31-1997 <PERIOD-END> MAR-30-1997 JUN-29-1997 SEP-28-1997 <CASH> 20,529 30,010 12,315 <SECURITIES> 0 0 0 <RECEIVABLES> 189,986 108,116 214,827 <ALLOWANCES> 3,757 3,533 3,757 <INVENTORY> 221,032 274,067 277,003 <CURRENT-ASSETS> 462,817 452,848 543,386 <PP&E> 100,324 108,140 116,032 <DEPRECIATION> 35,740 38,567 41,379 <TOTAL-ASSETS> 563,946 568,693 665,729 <CURRENT-LIABILITIES> 140,119 124,619 181,273 <BONDS> 0 0 0 <PREFERRED-MANDATORY> 0 0 0 <PREFERRED> 0 0 0 <COMMON> 538 541 543 <OTHER-SE> 408,685 421,149 462,658 <TOTAL-LIABILITY-AND-EQUITY> 563,946 568,693 665,729 <SALES> 317,990 580,978 1,026,950 <TOTAL-REVENUES> 321,455 587,744 1,038,252 <CGS> 214,884 393,426 696,733 <TOTAL-COSTS> 214,884 393,426 696,733 <OTHER-EXPENSES> 59,096 115,729 183,547 <LOSS-PROVISION> 1,556 1,783 2,009 <INTEREST-EXPENSE> 362 629 1,710 <INCOME-PRETAX> 47,113 77,960 156,262 <INCOME-TAX> 17,573 29,141 58,504 <INCOME-CONTINUING> 29,540 48,819 97,758 <DISCONTINUED> 0 0 0 <EXTRAORDINARY> 0 0 0 <CHANGES> 0 0 0 <NET-INCOME> 29,540 48,819 97,758 <EPS-PRIMARY> 0.57 0.94 1.88 <EPS-DILUTED> 0.55 0.90 1.81