<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<RESTATED>

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   9-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-START>                             JAN-01-1996             JAN-01-1996             JAN-01-1996
<PERIOD-END>                               DEC-31-1996             SEP-30-1996             JUN-30-1996
<CASH>                                           3,375                   1,430                   6,146
<SECURITIES>                                    27,619                  29,870                  26,731
<RECEIVABLES>                                    1,561                   2,197                   1,450
<ALLOWANCES>                                     (211)                    (75)                    (52)
<INVENTORY>                                     36,933                  35,292                  30,903
<CURRENT-ASSETS>                                69,811                  69,239                  65,806
<PP&E>                                          30,312                  26,857                  24,563
<DEPRECIATION>                                 (7,239)                 (6,693)                 (6,258)
<TOTAL-ASSETS>                                  98,997                  94,717                  89,374
<CURRENT-LIABILITIES>                           10,989                  11,185                   9,379
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                        65,354                  65,522                  65,522
<OTHER-SE>                                      11,151<F1>               6,373<F1>               2,820<F1>
<TOTAL-LIABILITY-AND-EQUITY>                    98,997                  94,717                  89,374
<SALES>                                        183,643                 130,833                  85,449
<TOTAL-REVENUES>                               183,643                 130,833                  85,449
<CGS>                                          120,922                  86,315                  57,049
<TOTAL-COSTS>                                   39,692                  29,007                  18,673
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                               (126)                      10                     252
<INCOME-PRETAX>                                 23,155                  15,501                   9,475
<INCOME-TAX>                                     9,453                   6,355                   3,881
<INCOME-CONTINUING>                             13,702                   9,146                   5,594
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                    13,702                   9,146                   5,594
<EPS-PRIMARY>                                     0.85                    0.60                    0.41
<EPS-DILUTED>                                     0.78                    0.53                    0.34
<FN>
<F1>Retained Earnings
</FN>


</TABLE>