<PAGE>   1

                                                                      EXHIBIT 23

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

     As independent public accountants, we hereby consent to the incorporation
of our reports included in this Form 10-K, into the Company's previously filed
Form S-8 Registration Statements File Nos. 333-67527, 333-51607, 333-20673,
333-01789 and 33-87782.

                                            ARTHUR ANDERSEN LLP

Dallas, Texas
September 29, 2000



© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission