<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 10Q FILING
FOR QUARTER ENDED JUNE 28, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-1999             MAR-31-1998
<PERIOD-START>                             APR-01-1998             APR-01-1997
<PERIOD-END>                               JUN-28-1998             JUN-29-1997
<CASH>                                          33,809                  89,369
<SECURITIES>                                       388                     378
<RECEIVABLES>                                  200,557                 191,160
<ALLOWANCES>                                       177                     121
<INVENTORY>                                     45,917                  77,417
<CURRENT-ASSETS>                               328,398                 403,166
<PP&E>                                         523,981                 523,245
<DEPRECIATION>                                 195,286                 172,665
<TOTAL-ASSETS>                                 883,031                 968,548
<CURRENT-LIABILITIES>                          233,616                 296,174
<BONDS>                                        176,351                 229,089
<PREFERRED-MANDATORY>                           29,986                       0
<PREFERRED>                                          0                       0
<COMMON>                                           121                     130
<OTHER-SE>                                     238,514                 229,005
<TOTAL-LIABILITY-AND-EQUITY>                   883,031                 968,548
<SALES>                                        256,321                 251,639
<TOTAL-REVENUES>                               256,321                 251,639
<CGS>                                          211,089                 207,919
<TOTAL-COSTS>                                  211,089                 207,919
<OTHER-EXPENSES>                                 1,595                   2,038
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               5,685                   7,556
<INCOME-PRETAX>                                 18,589                  14,657
<INCOME-TAX>                                     2,788                       0
<INCOME-CONTINUING>                             15,801                  14,657
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    15,801                  14,657
<EPS-PRIMARY>                                     1.24                    1.13
<EPS-DILUTED>                                     1.21                    1.10