EXHIBIT 4 INSTRUMENTS DEFINING THE RIGHTS OF SECURITY HOLDERS, INCLUDING INDENTURES 1 Note Purchase Agreement dated August 28, 1996 re: Senior Notes due September 1, 2006, which document is incorporated by reference to Annual Report on Form 10-K filed...

                                                                       EXHIBIT 4

   INSTRUMENTS DEFINING THE RIGHTS OF SECURITY HOLDERS, INCLUDING INDENTURES



1   Note Purchase Agreement dated August 28, 1996 re: Senior Notes due September
    1, 2006, which document is incorporated by reference to Annual Report on
    Form 10-K filed with the Commission for Registrant's fiscal year ended
    November 30, 1996.

2.  Amended and Restated Rights Agreement dated December 16, 1996, which
    document is incorporated by reference to Form 8-A/A, Amendment No. 3 filed
    with the Commission on February 5, 1997.

The Company agrees to provide to the Securities and Exchange Commission, on
request, copies of instruments defining the rights of security holders of
long-term debt of the Company.