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
Registration  Statements File Nos. 33-57634,  33-58290,  33-63628,  33-79160 and
333-28357.


ARTHUR ANDERSEN LLP

Chicago, Illinois
March 20, 2000