<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 10Q FILING 
FOR SIX MONTHS ENDED 9/28/97 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO 
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   6-MOS                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1998             MAR-31-1997
<PERIOD-START>                             APR-01-1997             APR-01-1996
<PERIOD-END>                               SEP-28-1997             SEP-29-1996
<CASH>                                          86,608                 122,491
<SECURITIES>                                       378                     378
<RECEIVABLES>                                  190,294                 191,675
<ALLOWANCES>                                       130                     107
<INVENTORY>                                     59,233                  68,125
<CURRENT-ASSETS>                               381,194                 425,242
<PP&E>                                         520,366                 518,175
<DEPRECIATION>                                 181,549                 162,615
<TOTAL-ASSETS>                                 946,606               1,004,704
<CURRENT-LIABILITIES>                          264,935                 326,197
<BONDS>                                        221,108                 237,071
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           131                     131
<OTHER-SE>                                     249,254                 218,661
<TOTAL-LIABILITY-AND-EQUITY>                   946,606               1,004,704
<SALES>                                        518,593                 477,821
<TOTAL-REVENUES>                               518,593                 477,821
<CGS>                                          429,044                 399,338
<TOTAL-COSTS>                                  429,044                 399,338
<OTHER-EXPENSES>                                 4,674                   7,144
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                              14,937                  18,386
<INCOME-PRETAX>                                 30,578                  18,938
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                             30,578                  18,938
<DISCONTINUED>                                       0                   3,793
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    30,578                  22,731
<EPS-PRIMARY>                                     2.35                    1.75
<EPS-DILUTED>                                     2.28                    1.70