<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 10Q FILING
FOR THREE MONTHS ENDED 7/2/00 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 3-MOS
<FISCAL-YEAR-END> MAR-31-2001 MAR-31-2000
<PERIOD-START> APR-01-2000 APR-01-1999
<PERIOD-END> JUL-02-2000 JUL-04-1999
<CASH> 24,027 45,765
<SECURITIES> 427 427
<RECEIVABLES> 260,364 244,881
<ALLOWANCES> 1,056 1,056
<INVENTORY> 49,908 53,629
<CURRENT-ASSETS> 347,498 351,050
<PP&E> 576,173 572,162
<DEPRECIATION> (244,437) (236,534)
<TOTAL-ASSETS> 903,314 905,984
<CURRENT-LIABILITIES> 356,863 356,593
<BONDS> 259,809 277,109
0 0
0 0
<COMMON> 139 139
<OTHER-SE> 128,409 114,808
<TOTAL-LIABILITY-AND-EQUITY> 903,314 905,984
<SALES> 270,084 272,721
<TOTAL-REVENUES> 270,084 272,721
<CGS> 216,491 217,835
<TOTAL-COSTS> 216,491 217,835
<OTHER-EXPENSES> 1,533 1,887
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 8,708 9,155
<INCOME-PRETAX> 22,743 19,212
<INCOME-TAX> 7,778 4,611
<INCOME-CONTINUING> 14,965 14,601
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 14,965 14,601
<EPS-BASIC> 1.65 1.43
<EPS-DILUTED> 1.62 1.39
</TABLE>