LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS
POWER OF
ATTORNEY


	The undersigned constitutes and appoints Roderick A.
Palmore, R. Henry Kleeman, Helen N. Kaminski and Aaron Alt, and each of
them, as the undersigned's true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for the undersigned and in
the undersigned's name place and stead to sign (i) any and all statements
of beneficial ownership of securities on Forms 3, 4 and 5, as required
under Section 16(a) of the Securities Exchange Act of 1934, and (ii) Form
144 Notice of Proposed Sale of Securities pursuant to Rule 144 under the
Securities Act of 1933, and to file the same with all exhibits thereto and
other documents in connection therewith with the Securities and Exchange
Commission granting unto said attorney-in-fact and agent full power and
authority to do and perform each act and thing requisite and necessary to
be done under said Section 16(a) and Rule 144 as fully to all intents and
purposes as the undersigned might or could do in person hereby ratifying
and confirming all that said attorney-in-fact and agent may lawfully do or
cause to be done by virtue hereof.

	A copy of this power of attorney
shall be filed with the Securities and Exchange Commission and with any
applicable stock exchange.  The authorization set forth above shall
continue in full force and effect until the undersigned revokes such
authorization by written instructions to the attorney-in-fact.  The
undersigned acknowledges that the foregoing attorneys-in-fact in serving in
such capacity at the request of the undersigned are not assuming any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934 or Rule 144 of the Securities Act of 1933.



Dated: February 25, 2005

/s/ James W. Nolan