<PAGE>
FILED PURSUANT TO RULE 424(b)(3)
REGISTRATION NO. 333-52297
PROSPECTUS SUPPLEMENT
TO PROSPECTUS DATED JULY 22, 1998
This Prospectus Supplement amends and restates pages 10 and 11 of the
Prospectus dated July 22, 1998, as supplemented by Prospectus Supplements dated
October 29, October 1 and August 25, 1998. Except as set forth herein, the
contents of the Prospectus remain as set forth therein.
SELLING DEBENTUREHOLDERS
The Debentures being offered hereby were acquired by the Selling
Debentureholders in connection with a private placement of the Debentures by the
Company on April 13, 1998 pursuant to Rule 144A and Regulation D under the
Securities Act or in permitted resale transactions from the initial purchasers
of the Debentures (the "Initial Purchasers") or holders acquiring such
Debentures from prior holders thereof in further permitted resale transactions.
The following table sets forth the names of the Selling
Debentureholders, the number of shares of Common Stock owned by each of them as
of the date of this supplement and the principal amount of Debentures which may
be offered pursuant to this Prospectus. Other than as a result of the ownership
of Debentures or Common Stock, none of the Selling Debentureholders has had any
position, office or other material relationship with the Company or any of its
predecessors or affiliates within the past three years, except as noted herein.
The information in the table and accompanying footnotes has been prepared based
upon information furnished to the Company by or on behalf of the Selling
Debentureholders.
<TABLE>
<CAPTION>
Principal Amount Principal Amount
of Debentures of Debentures Common Stock Common Stock
Beneficially That May Owned Prior to That May
Name Owned be Sold Offering (1)(#) be Sold(#)
---- ---------------- ---------------- -------------- ------------
<S> <C> <C> <C> <C>
Associated Electric & Gas Insurance
Services Limited.................................... $ 500,000 $ 500,000
Chase Vista Balanced Fund............................. 300,000 300,000 - -
Chase Vista Select Balanced Fund...................... 500,000 500,000 (2) -
Chrysler Corp. Emp. #1 Pension Plan dated 12/18/45.... 1,510,000 1,510,000 - -
Fidelity Financial Trust:
Fidelity Convertible Securities Fund............... 2,000,000 2,000,000
Forest Alternative Strategies Fund A-5................ 4,287,000 4,287,000 - -
Forest Alternative Strategies Fund II LP Series A-5I.. 228,000 228,000 - -
Forest Alternative Strategies Fund II LP Series A-5M.. 107,000 107,000 - -
Forest Alternative Strategies Fund II LP Series B-3... 350,000 350,000 - -
Forest Global Convertible Fund Series A-5............. 4,943,000 4,943,000
Forest Global Convertible Fund Series B-1............. 200,000 200,000 - -
Forest Global Convertible Fund Series B-2............. 125,000 125,000 - -
Forest Global Convertible Fund Series B-5............. 150,000 150,000 - -
Forest Greyhound...................................... 200,000 200,000 - -
Forest Performance Fund............................... 350,000 350,000 - -
Fortis Equity Portfolio Inc. -
Fortis Growth & Income.............................. 300,000 300,000 - -
Fortis Series Fund, Inc. - Growth & Income Series..... 1,700,000 1,700,000 - -
Foundation Account No. 1.............................. 360,000 360,000 - -
Fox Family Foundation dated 10/10/87.................. 50,000 50,000 - -
Fox Family Portfolio Partnership...................... 450,000 450,000 - -
Franklin & Marshall College........................... 120,000 120,000 - -
Guardian Life Insurance Co. of America................ 6,600,000 6,600,000 - -
Guardian Master Pension Trust......................... 400,000 400,000 - -
IBM Corp. Retirement Plan dated 12/18/45.............. 2,575,000 2,575,000 - -
</TABLE>
THE DATE OF THIS PROSPECTUS SUPPLEMENT IS DECEMBER 2, 1998.
<PAGE>
<TABLE>
<CAPTION>
Principal Amount Principal Amount
of Debentures of Debentures Common Stock Common Stock
Beneficially That May Owned Prior to That May
Name Owned be Sold Offering (1)(#) be Sold(#)
---- ---------------- ---------------- -------------- ------------
<S> <C> <C> <C> <C>
JFI - Palantir, L.L.C................................. $ 500,000 $ 500,000 - -
KA Investments L.L.C.................................. 3,000,000 3,000,000 - -
LLC Account No. 1..................................... 160,000 160,000 - -
LLT Limited........................................... 185,000 185,000 - -
McMahan Securities Company, L.P....................... 500,000 500,000 - -
Merrill Lynch Convertible Fund, Inc................... 400,000 400,000 (3) -
Merrill Lynch Multinational Investment Portfolio
Equity/Convertible Series Convertible Securities
Portfolio (Offshore Fund)........................... 300,000 300,000 (4) -
Merrill Lynch World Income Fund, Inc.................. 1,300,000 1,300,000 (5) -
Morgan Stanley Dean Witter
Convertible Securities Trust........................ 3,000,000 3,000,000 - -
Publix Super Markets, Inc. Profit-Sharing
Plan & Trust........................................ 1,000,000 1,000,000 - -
Shepherd Investment International Ltd................. 1,000,000 1,000,000 - -
Schroder & Co. Inc.(6)................................ 5,780,000 5,780,000 - -
SoundShore Opportunity Holding Fund Ltd............... 500,000 500,000
SoundShore Partners L.P............................... 4,000,000 4,000,000 - -
Stark International................................... 1,000,000 1,000,000 - -
State Street Bank Custodian for GE Pension Trust...... 795,000 795,000 - -
The Kaufmann Fund, Inc................................ 4,000,000 4,000,000 - -
The TCW Group, Inc.................................... 8,620,000 8,620,000 - -
Van Kampen American Capital Convertible
Securities Fund..................................... 583,000 583,000 - -
Van Kampen American Capital Harbor Fund............... 3,417,000 3,417,000 - -
Winchester Convertible Plus, Ltd...................... 480,000 480,000 - -
Ziff Asset Management, L.P............................ 1,000,000 1,000,000 163,100 -
----------- ----------- ------- ------
Total....................................... $69,825,000 $69,825,000 163,100 -
=========== =========== ======= ======
</TABLE>
___________________________________________
(1) Beneficial ownership is determined in accordance with the Rules of the
Securities and Exchange Commission and generally includes voting or
investment power with respect to securities. Except as otherwise indicated
by footnote, and subject to community property laws where applicable, the
persons named in the table have sole voting and investment power with
respect to all shares of Common Stock shown as beneficially owned by them.
(2) Does not include $400,000 of the Company's 6% Convertible Subordinated
Debentures due November 2002, which are convertible at $22.57 into 17,722
shares of Common Stock.
(3) Does not include $2,300,000 of the Company's 6% Convertible Subordinated
Debentures due November 2002, which are convertible at $22.57 into 101,905
shares of Common Stock.
(4) Does not include $200,000 of the Company's 6% Convertible Subordinated
Debentures due November 2002, which are convertible at $22.57 into 8,861
shares of Common Stock.
(5) Does not include $700,000 of the Company's 6% Convertible Subordinated
Debentures due November 2002, which are convertible at $22.57 into 31,014
shares of Common Stock.
(6) Acted as placement agent in connection with the Company's offering of the
Debentures. Also served as lead manager in the offering of Common Stock
and Debentures in October 1997.
Because the Selling Debentureholders may offer all or some of the
Debentures which they hold and/or shares of Common Stock issued upon conversion
thereof pursuant to this Offering, and because there are currently no
agreements, arrangements or understandings with respect to the sale of any of
the Debentures or shares of Common Stock that will be held by the Selling
Debentureholders after completion of this Offering, no estimate can be given as
to the principal amount of Debentures or shares of Common Stock that will be
held by the Selling Debentureholders after completion of this offering. See
"Plan of Distribution."
