Exhibit 23 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report dated February 3, 2000, included (or incorporated by reference) in this Form 10-K for the year ended December 31, 1999, into the Company's previously filed Registration Statements (File Nos. 2-99967, 33-35951, 333-04273, 333-10415, 333-175155, 333-18523, 333-38047, 333-41447 and 333-89437). ARTHUR ANDERSEN LLP Los Angeles, California March 27, 2000