<ARTICLE>                          5                                
<MULTIPLIER>                       1,000                               
                                                                               
                                                              
<PERIOD-TYPE>                       3-MOS                                
<FISCAL-YEAR-END>                                                   DEC-31-1997
<PERIOD-END>                                                        MAR-31-1997
<CASH>                                                                   11,726
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<ALLOWANCES>                                                                  0
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<PREFERRED>                                                                   0
<OTHER-SE>                                                              116,751
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<SALES>                                                                  65,883
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<CGS>                                                                    22,731
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<EPS-PRIMARY>                                                   0.42
<EPS-DILUTED>                                                              0.42