<ARTICLE> 5 <RESTATED> <PERIOD-TYPE> 3-MOS 3-MOS 3-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1997 DEC-31-1997 <PERIOD-END> SEP-30-1997 JUN-30-1997 MAR-31-1997 <CASH> 45,742 27,128 11,034 <SECURITIES> 57,172 56,581 54,837 <RECEIVABLES> 205,602 187,169 190,597 <ALLOWANCES> 2,978 2,604 2,705 <INVENTORY> 20,758 26,332 27,658 <CURRENT-ASSETS> 329,362 298,105 284,415 <PP&E> 47,216 45,311 42,478 <DEPRECIATION> 20,419 18,594 16,701 <TOTAL-ASSETS> 368,434 337,382 323,108 <CURRENT-LIABILITIES> 174,313 156,967 151,452 <BONDS> 0 0 0 <PREFERRED-MANDATORY> 0 0 0 <PREFERRED> 0 0 0 <COMMON> 167 165 165 <OTHER-SE> 199,763 185,667 169,916 <TOTAL-LIABILITY-AND-EQUITY> 368,434 337,382 323,108 <SALES> 319,937 300,515 261,990 <TOTAL-REVENUES> 319,937 300,515 261,990 <CGS> 291,590 274,906 237,298 <TOTAL-COSTS> 291,590 274,906 237,298 <OTHER-EXPENSES> 15,758 13,733 13,298 <LOSS-PROVISION> 0 0 0 <INTEREST-EXPENSE> 29 18 18 <INCOME-PRETAX> 14,169 13,161 12,635 <INCOME-TAX> 5,556 5,030 4,994 <INCOME-CONTINUING> 8,613 8,131 7,641 <DISCONTINUED> 0 0 0 <EXTRAORDINARY> 0 0 0 <CHANGES> 0 0 0 <NET-INCOME> 8,613 8,131 7,641 <EPS-PRIMARY> .52 .50 .47 <EPS-DILUTED> .52 .50 .46