CONVERTIBLE SENIOR NOTES	3 Months Ended
Mar. 31, 2015
CONVERTIBLE SENIOR NOTES	9. CONVERTIBLE SENIOR NOTES In 2010, the Company issued $600.0 million in aggregate principal amount of its 4% convertible senior notes (“4% Convertible Senior Notes”) for net proceeds of approximately $582.0 million. In 2012, the Company repurchased $492.5 million in aggregate principal amount of its 4% Convertible Senior Notes. In February 2015, the 4% Convertible Senior Notes matured and the Company repaid the remaining 4% convertible senior notes for the face amount of $107.5 million. 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, 2015 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, 2015 and December 31, 2014, $0.5 million and $1.5 million, respectively, of the unamortized discount had not been reflected in interest expense. The 5% Convertible Senior Notes due 2015 are a general corporate obligation and therefore rank junior to collateralized debt of the Company with respect to secured collateral. 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.

9. CONVERTIBLE SENIOR NOTES

In 2010, the Company issued $600.0 million in aggregate principal amount of its 4% convertible senior notes (“4% Convertible Senior Notes”) for net proceeds of approximately $582.0 million. In 2012, the Company repurchased $492.5 million in aggregate principal amount of its 4% Convertible Senior Notes. In February 2015, the 4% Convertible Senior Notes matured and the Company repaid the remaining 4% convertible senior notes for the face amount of $107.5 million.

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, 2015 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, 2015 and December 31, 2014, $0.5 million and $1.5 million, respectively, of the unamortized discount had not been reflected in interest expense.

The 5% Convertible Senior Notes due 2015 are a general corporate obligation and therefore rank junior to collateralized debt of the Company with respect to secured collateral.

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.