<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET, STATEMENT OF OPERATIONS AND NOTES TO THE
CONSOLIDATED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY 
REFERENCE TO SUCH FINANCIAL STATEMENTS AND FOOTNOOTES
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1996
<PERIOD-START>                             JAN-01-1997             JAN-01-1996
<PERIOD-END>                               DEC-31-1997             DEC-31-1996
<CASH>                                          21,686                       0
<SECURITIES>                                       308                       0
<RECEIVABLES>                                  165,011                       0
<ALLOWANCES>                                    (8,100)                      0
<INVENTORY>                                     86,847                       0
<CURRENT-ASSETS>                               290,520                       0
<PP&E>                                         251,916                       0
<DEPRECIATION>                                (140,613)                      0
<TOTAL-ASSETS>                                 502,039                       0
<CURRENT-LIABILITIES>                          223,526                       0
<BONDS>                                         11,854                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           218                       0
<OTHER-SE>                                     260,305                       0
<TOTAL-LIABILITY-AND-EQUITY>                   502,039                       0
<SALES>                                        335,214                       0
<TOTAL-REVENUES>                               603,534                       0
<CGS>                                          224,803                       0
<TOTAL-COSTS>                                  420,658                       0
<OTHER-EXPENSES>                                25,363                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               7,730                       0
<INCOME-PRETAX>                                 66,585                       0
<INCOME-TAX>                                    23,971                       0
<INCOME-CONTINUING>                             42,614                       0
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                    462                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    42,152                       0
<EPS-PRIMARY>                                     1.97                       0
<EPS-DILUTED>                                     1.90                       0
        

</TABLE>