<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONDENSED
CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEARS ENDED FEBRUARY 28, 1998,
FEBRUARY 28, 1997 AND FEBRUARY 29, 1996 AND THE QUARTERS ENDED NOVEMBER 30,
1997, AUGUST 31, 1997, MAY 31, 1997, NOVEMBER 30, 1996, AUGUST 31, 1996 AND MAY
31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH STATEMENTS.
</LEGEND>
<RESTATED>
       
<CAPTION>
<PERIOD-TYPE>                    YEAR               YEAR                YEAR
<FISCAL-YEAR-END>            FEB-28-1998         FEB-28-1997        FEB-29-1996
<PERIOD-START>               MAR-01-1997         MAR-01-1996        MAR-01-1995
<PERIOD-END>                 FEB-28-1998         FEB-28-1997        FEB-29-1996
<S>                          <C>                 <C>                <C> 
<CASH>                             4,333,669            946,084             874,267
<SECURITIES>                               0                  0                   0
<RECEIVABLES>                     39,713,751         32,828,724          31,514,984
<ALLOWANCES>                       2,362,722          2,192,079           1,509,802
<INVENTORY>                       44,004,890         29,764,570          36,808,915
<CURRENT-ASSETS>                  90,526,595         64,250,568          68,702,287
<PP&E>                            11,481,386         12,186,342           7,249,830
<DEPRECIATION>                     5,121,611          4,635,986           3,810,026
<TOTAL-ASSETS>                    99,641,428         74,783,314          75,459,586
<CURRENT-LIABILITIES>             15,308,988         12,309,096          10,747,853
<BONDS>                           32,790,395         15,523,483          27,094,030
<COMMON>                              57,770             57,633              55,593
<PREFERRED-MANDATORY>                      0                  0                   0
<PREFERRED>                                0                  0                   0
<OTHER-SE>                        51,484,275         46,893,102          37,562,110
<TOTAL-LIABILITY-AND-EQUITY>      99,641,428         74,783,314          75,459,586
<SALES>                          233,325,408        216,612,707         202,803,184
<TOTAL-REVENUES>                 233,325,408        216,612,707         202,803,184
<CGS>                            182,531,083        168,124,583         154,602,036
<TOTAL-COSTS>                    182,531,083        168,124,583         154,602,036
<OTHER-EXPENSES>                           0                  0                   0
<LOSS-PROVISION>                     315,000            701,500             635,000
<INTEREST-EXPENSE>                 1,723,163          1,701,092           2,026,717
<INCOME-PRETAX>                    8,947,537         11,921,256          15,799,592
<INCOME-TAX>                       3,649,546          4,847,696           6,403,291
<INCOME-CONTINUING>                5,297,991          7,073,560           9,396,301
<DISCONTINUED>                             0                  0                   0
<EXTRAORDINARY>                            0                  0                   0
<CHANGES>                                  0                  0                   0
<NET-INCOME>                       5,297,991          7,073,560           9,396,301
<EPS-PRIMARY>                            .61                .81                1.19
<EPS-DILUTED>                            .52                .69                 .97
        

</TABLE>