<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> SEP-26-1999
<PERIOD-END> SEP-30-2000
<CASH> 562
<SECURITIES> 0
<RECEIVABLES> 39,811<F1>
<ALLOWANCES> 1,391
<INVENTORY> 27,421
<CURRENT-ASSETS> 71,353
<PP&E> 122,441
<DEPRECIATION> 81,427
<TOTAL-ASSETS> 142,241
<CURRENT-LIABILITIES> 38,006
<BONDS> 0
0
0
<COMMON> 3,750
<OTHER-SE> 64,021<F2>
<TOTAL-LIABILITY-AND-EQUITY> 142,241
<SALES> 188,320
<TOTAL-REVENUES> 188,320
<CGS> 140,226
<TOTAL-COSTS> 140,226
<OTHER-EXPENSES> 31,657
<LOSS-PROVISION> 345
<INTEREST-EXPENSE> 325
<INCOME-PRETAX> 15,886
<INCOME-TAX> 5,249
<INCOME-CONTINUING> 10,637
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 10,637
<EPS-BASIC> 3.25
<EPS-DILUTED> 3.15
<FN>
<F1>ACCOUNTS RECEIVABLE ARE NET OF ALLOWANCES
<F2>OTHER SE INCLUDES TREASURY STOCK
</FN>
</TABLE>