<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 9-MOS
<FISCAL-YEAR-END> AUG-31-2000 AUG-31-2000
<PERIOD-START> MAR-01-2000 SEP-01-1999
<PERIOD-END> MAY-31-2000 MAY-31-2000
<CASH> 949,000 0
<SECURITIES> 0 0
<RECEIVABLES> 17,973,000 0
<ALLOWANCES> 0 0
<INVENTORY> 12,405,000 0
<CURRENT-ASSETS> 32,889,000 0
<PP&E> 40,897,000 0
<DEPRECIATION> 14,393,000 0
<TOTAL-ASSETS> 90,580,000 0
<CURRENT-LIABILITIES> 19,060,000 0
<BONDS> 0 0
0 0
0 0
<COMMON> 18,081,000 0
<OTHER-SE> 21,517,000 0
<TOTAL-LIABILITY-AND-EQUITY> 90,580,000 0
<SALES> 33,302,000 91,894,000
<TOTAL-REVENUES> 33,302,000 91,894,000
<CGS> 23,580,000 65,040,000
<TOTAL-COSTS> 23,580,000 65,040,000
<OTHER-EXPENSES> 5,586,000 16,129,000
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 785,000 2,210,000
<INCOME-PRETAX> 3,351,000 8,515,000
<INCOME-TAX> 1,252,000 3,166,000
<INCOME-CONTINUING> 2,099,000 5,349,000
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 2,099,000 5,349,000
<EPS-BASIC> 0.49 1.24
<EPS-DILUTED> 0.47 1.18
</TABLE>