CONVERTIBLE SENIOR NOTES	3 Months Ended
Mar. 31, 2013
CONVERTIBLE SENIOR NOTES	8. CONVERTIBLE SENIOR NOTES In 2010, the Company issued $600.0 million in aggregate principal amount of its 4% convertible senior notes due 2015 (“4% Convertible Senior Notes”) for net proceeds of approximately $582.0 million. Interest on the 4% Convertible Senior Notes is paid semi-annually at a rate of 4% per year and the 4% Convertible Senior Notes will mature on February 15, 2015 unless repurchased or converted earlier. The 4% Convertible Senior Notes are convertible into shares of Common Stock at a conversion rate for each $1,000 principal amount of 4% Convertible Senior Notes. The initial conversion rate was 46.6070, which was equivalent to an initial conversion price of approximately $21.4560 per share of Common Stock. The conversion rate at March 31, 2013 was 72.7592, which is equivalent to a conversion price of approximately $13.7440 per share of Common Stock. The conversion rate is subject to adjustment in certain circumstances. There is no limit on the total number of shares of Common Stock that the Company would be required to issue upon a conversion. The intrinsic value of the contingent beneficial conversion feature was $79.8 million and $75.8 million at March 31, 2013 and December 31, 2012, respectively, which is reflected in Additional paid-in capital on the Company’s Consolidated Statements of Financial Condition, and reduces the recorded liability on the 4% Convertible Senior Notes. The unamortized contingent beneficial conversion feature of the 4% Convertible Senior Notes at March 31, 2013 and December 31, 2012 of $24.3 million and $22.7 million, respectively, is recognized in interest expense over the remaining life of the notes. In May 2012, the Company issued $750.0 million in aggregate principal amount of its 5% convertible senior notes due 2015 (“5% Convertible Senior Notes”) for net proceeds of approximately $727.5 million. Interest on the 5% Convertible Senior Notes is paid semi-annually at a rate of 5% per year and the 5% Convertible Senior Notes will mature on May 15, 2015 unless repurchased or converted earlier. The 5% Convertible Senior Notes are convertible into shares of Common Stock at a conversion rate for each $1,000 principal amount of 5% Convertible Senior Notes. The initial conversion rate and conversion rate at March 31, 2013 was 52.7969, which was equivalent to an initial conversion price of approximately $18.94 per share of Common Stock, subject to adjustment in certain circumstances. Upon conversion, the Company will pay or deliver, as the case may be, cash, shares of Common Stock or a combination of cash and shares of Common Stock, at the Company’s sole discretion. There is no limit on the total number of shares of Common Stock that the Company would be required to issue upon a conversion. At issuance, the Company determined that the 5% Convertible Senior Notes included an equity component of $11.7 million, which is reflected in Additional paid-in capital on the Company’s Consolidated Statements of Financial Condition, and reduces the recorded liability on the 5% Convertible Senior Notes. The $11.7 million discount to the principal amount of the Convertible Senior Notes is recognized in interest expense over the remaining life of the notes. At March 31, 2013, $8.3 million of the discount had not been reflected in interest expense. The 4% Convertible Senior Notes due 2015 and the 5% Convertible Senior Notes due 2015 rank pari passu with each other. They are each general corporate obligations and therefore rank junior to collateralized debt of the company with respect to secured collateral. The 4% Convertible Senior Notes and the 5% Convertible Senior Notes rank senior to the 7.875% Series A Cumulative Redeemable Preferred Stock, 7.625% Series C Cumulative Redeemable Preferred Stock and 7.50% Series D Cumulative Redeemable Preferred Stock. The 7.875% Series A Cumulative Redeemable Preferred Stock, 7.625% Series C Cumulative Redeemable Preferred Stock and 7.50% Series D Cumulative Redeemable Preferred Stock rank pari passu with each other. The 7.875% Series A Cumulative Redeemable Preferred Stock, 7.625% Series C Cumulative Redeemable Preferred Stock and 7.50% Series D Cumulative Redeemable Preferred Stock rank senior to the common stock of the Company.

8. CONVERTIBLE SENIOR NOTES

In 2010, the Company issued $600.0 million in aggregate principal amount of its 4% convertible senior notes due 2015 (“4% Convertible Senior Notes”) for net proceeds of approximately $582.0 million. Interest on the 4% Convertible Senior Notes is paid semi-annually at a rate of 4% per year and the 4% Convertible Senior Notes will mature on February 15, 2015 unless repurchased or converted earlier. The 4% Convertible Senior Notes are convertible into shares of Common Stock at a conversion rate for each $1,000 principal amount of 4% Convertible Senior Notes. The initial conversion rate was 46.6070, which was equivalent to an initial conversion price of approximately $21.4560 per share of Common Stock. The conversion rate at March 31, 2013 was 72.7592, which is equivalent to a conversion price of approximately $13.7440 per share of Common Stock. The conversion rate is subject to adjustment in certain circumstances. There is no limit on the total number of shares of Common Stock that the Company would be required to issue upon a conversion.

The intrinsic value of the contingent beneficial conversion feature was $79.8 million and $75.8 million at March 31, 2013 and December 31, 2012, respectively, which is reflected in Additional paid-in capital on the Company’s Consolidated Statements of Financial Condition, and reduces the recorded liability on the 4% Convertible Senior Notes. The unamortized contingent beneficial conversion feature of the 4% Convertible Senior Notes at March 31, 2013 and December 31, 2012 of $24.3 million and $22.7 million, respectively, is recognized in interest expense over the remaining life of the notes.

In May 2012, the Company issued $750.0 million in aggregate principal amount of its 5% convertible senior notes due 2015 (“5% Convertible Senior Notes”) for net proceeds of approximately $727.5 million. Interest on the 5% Convertible Senior Notes is paid semi-annually at a rate of 5% per year and the 5% Convertible Senior Notes will mature on May 15, 2015 unless repurchased or converted earlier. The 5% Convertible Senior Notes are convertible into shares of Common Stock at a conversion rate for each $1,000 principal amount of 5% Convertible Senior Notes. The initial conversion rate and conversion rate at March 31, 2013 was 52.7969, which was equivalent to an initial conversion price of approximately $18.94 per share of Common Stock, subject to adjustment in certain circumstances. Upon conversion, the Company will pay or deliver, as the case may be, cash, shares of Common Stock or a combination of cash and shares of Common Stock, at the Company’s sole discretion. There is no limit on the total number of shares of Common Stock that the Company would be required to issue upon a conversion.

At issuance, the Company determined that the 5% Convertible Senior Notes included an equity component of $11.7 million, which is reflected in Additional paid-in capital on the Company’s Consolidated Statements of Financial Condition, and reduces the recorded liability on the 5% Convertible Senior Notes. The $11.7 million discount to the principal amount of the Convertible Senior Notes is recognized in interest expense over the remaining life of the notes. At March 31, 2013, $8.3 million of the discount had not been reflected in interest expense.

The 4% Convertible Senior Notes due 2015 and the 5% Convertible Senior Notes due 2015 rank pari passu with each other. They are each general corporate obligations and therefore rank junior to collateralized debt of the company with respect to secured collateral.

The 4% Convertible Senior Notes and the 5% Convertible Senior Notes rank senior to the 7.875% Series A Cumulative Redeemable Preferred Stock, 7.625% Series C Cumulative Redeemable Preferred Stock and 7.50% Series D Cumulative Redeemable Preferred Stock. The 7.875% Series A Cumulative Redeemable Preferred Stock, 7.625% Series C Cumulative Redeemable Preferred Stock and 7.50% Series D Cumulative Redeemable Preferred Stock rank pari passu with each other.

The 7.875% Series A Cumulative Redeemable Preferred Stock, 7.625% Series C Cumulative Redeemable Preferred Stock and 7.50% Series D Cumulative Redeemable Preferred Stock rank senior to the common stock of the Company.