PROSPECTUS SUPPLEMENT NO. 6 (TO PROSPECTUS DATED JUNE 5, 2006) |
Filed Pursuant to Rule 424(b)(7) Registration No. 333-134728 |
$250,000,000
|
Selling Securityholder | Principal Amount of Notes Beneficially Owned and Offered Hereby (1) | Percentage of Notes Outstanding | Common Stock Owned Prior to the Offering | Common Stock Offered Hereby | ||||
---|---|---|---|---|---|---|---|---|
Value Line Convertible Fund, Inc. | $ | 250,000 | * | 50,183 | 50,183 | |||
* Less than one percent of the notes outstanding. (1) We believe that any excess of the total amount of registered sales by selling securityholders is the result of (i) sales by selling securityholders who previously registered their securities in unregistered exempt transactions and the subsequent registration by the purchasers thereof, or (ii) registration by selling securityholders who had acquired their securities in a previously registered transaction. Investing in the notes and the underlying shares of common stock involves significant risks. See Risk Factors beginning on page 5 of the prospectus. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the accuracy or adequacy of this prospectus supplement or the prospectus. Any representation to the contrary is a criminal offense. The date of this prospectus supplement is October 2, 2006. |