<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   YEAR                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1995             DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-START>                             JAN-01-1995             JAN-01-1996             JAN-01-1996             JAN-01-1996
<PERIOD-END>                               DEC-31-1995             MAR-31-1996             JUN-30-1996             SEP-30-1996
<CASH>                                           5,878                   2,411                  12,044                  44,366
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                   19,649                  20,409                  24,766                  28,543
<ALLOWANCES>                                     2,185                   2,248                   2,309                   2,374
<INVENTORY>                                     27,549                  29,088                  28,716                  28,002
<CURRENT-ASSETS>                                59,755                  55,365                  66,187                  99,436
<PP&E>                                          29,653                  29,915                  31,350                  34,016
<DEPRECIATION>                                  17,827                  18,194                  18,563                  18,759
<TOTAL-ASSETS>                                 161,226                 161,572                 173,278                 121,226
<CURRENT-LIABILITIES>                           38,670                  23,681                  22,178                  43,682
<BONDS>                                         12,191                   4,624                  10,581                  10,540
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                           525                     527                     527                     528
<OTHER-SE>                                     127,239                 132,740                 139,992                  66,476
<TOTAL-LIABILITY-AND-EQUITY>                   161,226                 161,572                 173,278                 121,226
<SALES>                                        142,216                  30,957                  68,814                 110,724
<TOTAL-REVENUES>                               142,216                  30,957                  68,814                 110,724
<CGS>                                           98,996                  21,709                  48,113                  77,413
<TOTAL-COSTS>                                   13,358                   3,433                   7,227                  11,051
<OTHER-EXPENSES>                                     0                       0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                                 606                     202                     404                     606
<INCOME-PRETAX>                                 31,701                   5,814                  13,417                  22,897
<INCOME-TAX>                                    12,700                   2,300                   5,300                   9,000
<INCOME-CONTINUING>                             19,001                   3,514                   8,117                  13,897
<DISCONTINUED>                                  10,275                   1,412                   3,441                  25,759
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                    29,276                   4,926                  11,558                  39,656
<EPS-PRIMARY>                                      .57                     .10                     .23                     .77
<EPS-DILUTED>                                      .57                     .10                     .23                     .77


</TABLE>