<ARTICLE> 5
<LEGEND> This schedule contains summary financial information extracted from 
the Form 10-K filing for the year ending 3/31/97 and is qualified in its
entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                                                    
<PERIOD-TYPE>                   12-MOS                    12-MOS
<FISCAL-YEAR-END>                        MAR-31-1997               MAR-31-1996
<PERIOD-START>                           APR-01-1996               APR-01-1995
<PERIOD-END>                             MAR-31-1997               MAR-31-1996
<CASH>                                       122,491                    45,532
<SECURITIES>                                     378                       348
<RECEIVABLES>                                191,675                   178,475
<ALLOWANCES>                                     107                        60
<INVENTORY>                                   68,125                    87,602
<CURRENT-ASSETS>                             425,242                   356,169
<PP&E>                                       523,175                   510,477
<DEPRECIATION>                               162,615                   127,964
<TOTAL-ASSETS>                             1,009,704                 1,035,142
<CURRENT-LIABILITIES>                        331,197                   313,191
<BONDS>                                      237,071                   350,000
<PREFERRED-MANDATORY>                            131                       130
<PREFERRED>                                        0                         0
<COMMON>                                           0                         0
<OTHER-SE>                                   218,661                   157,347
<TOTAL-LIABILITY-AND-EQUITY>               1,009,704                 1,035,142
<SALES>                                    1,089,397                 1,020,605
<TOTAL-REVENUES>                           1,089,397                 1,020,605
<CGS>                                        925,137                   834,298
<TOTAL-COSTS>                                925,137                   834,298
<OTHER-EXPENSES>                              16,207                    14,126
<LOSS-PROVISION>                                   0                         0
<INTEREST-EXPENSE>                            35,102                    39,279
<INCOME-PRETAX>                               36,659                    62,082
<INCOME-TAX>                                       0                    13,658
<INCOME-CONTINUING>                           36,659                    48,424
<DISCONTINUED>                                22,500                     (623)
<EXTRAORDINARY>                                    0                         0
<CHANGES>                                          0                         0
<NET-INCOME>                                  59,159                    47,801
<EPS-PRIMARY>                                   4.41                      3.56
<EPS-DILUTED>                                   4.41                      3.55