
<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS RESTATED FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE CONDENSED CONSOLIDATED BALANCE SHEET AT MARCH 31, 1996
(UNAUDITED) AND THE CONDENSED CONSOLIDATED STATEMENTS OF INCOME FOR THE THREE
MONTHS ENDED MARCH 31, 1996 (UNAUDITED) AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                          11,639
<SECURITIES>                                         0
<RECEIVABLES>                                   59,304<F1>
<ALLOWANCES>                                         0
<INVENTORY>                                     45,589
<CURRENT-ASSETS>                               119,727
<PP&E>                                         336,677
<DEPRECIATION>                                 145,966
<TOTAL-ASSETS>                                 350,951
<CURRENT-LIABILITIES>                          105,141
<BONDS>                                         83,368<F2>
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,474
<OTHER-SE>                                     127,723
<TOTAL-LIABILITY-AND-EQUITY>                   350,951
<SALES>                                        144,519
<TOTAL-REVENUES>                               144,519
<CGS>                                          101,179
<TOTAL-COSTS>                                  101,179
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,154
<INCOME-PRETAX>                                 22,269
<INCOME-TAX>                                     8,718
<INCOME-CONTINUING>                             13,551
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    13,551
<EPS-PRIMARY>                                      .54
<EPS-DILUTED>                                      .53
<FN>
<F1>"RECEIVABLES" ARE PRESENTED NET OF THE ALLOWANCE FOR DOUBTFUL ACCOUNTS.
<F2>"BONDS" REPRESENT LONG-TERM DEBT, LESS CURRENT MATURITIES.
</FN>


</TABLE>
