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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands, unless otherwise specified | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Treasury Stock | Accumulated Deficit | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2010 | $ 1,802,424 | $ 691 | $ 3,500,292 | $ (20,225) | $ (203,996) | $ (1,667,314) | $ 192,976
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Treasury stock purchased | (2,366) |  |  |  | (2,366) |  |
Options exercised | 239 |  | 239 |  |  |  |
Shares issued in employee stock purchase plan | 478 |  | 478 |  |  |  |
Stock-based compensation, net of forfeitures | 5,393 | 8 | 5,454 |  |  |  | (69)
Income tax benefit from stock-based compensation expense | (221) |  | (221) |  |  |  |
Net proceeds from sale of Partnership units, net of tax | 118,583 |  | 74,536 | 1,042 |  |  | 43,005
Cash distribution to noncontrolling unitholders of the Partnership | (6,468) |  |  |  |  |  | (6,468)
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) | (30,464) |  |  |  |  | (30,030) | (434)
Derivative gain (loss), net of reclassifications to earnings | 3,694 |  |  | 2,807 |  |  | 887
Amortization of payments to terminate interest rate swaps, net of tax | 4,849 |  |  | 4,849 |  |  |
Foreign currency translation adjustment | 13,616 |  |  | 13,616 |  |  |
Balance at Mar. 31, 2011 | 1,909,757 | 699 | 3,580,778 | 2,089 | (206,362) | (1,697,344) | 229,897
Balance at Dec. 31, 2011 | 1,680,042 | 704 | 3,645,332 | 6,059 | (206,937) | (2,007,922) | 242,806
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Treasury stock purchased | (1,757) |  |  |  | (1,757) |  |
Shares issued in employee stock purchase plan | 405 |  | 405 |  |  |  |
Stock-based compensation, net of forfeitures | 4,618 | 7 | 4,431 |  |  |  | 180
Income tax benefit from stock-based compensation expense | (1,580) |  | (1,580) |  |  |  |
Net proceeds from sale of Partnership units, net of tax | 85,520 |  | 49,240 | 360 |  |  | 35,920
Cash distribution to noncontrolling unitholders of the Partnership | (12,207) |  |  |  |  |  | (12,207)
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) | 7,287 |  |  |  |  | 5,495 | 1,792
Derivative gain (loss), net of reclassifications to earnings | 998 |  |  | 1,529 |  |  | (531)
Amortization of payments to terminate interest rate swaps, net of tax | 3,888 |  |  | 3,888 |  |  |
Foreign currency translation adjustment | 751 |  |  | 751 |  |  |
Balance at Mar. 31, 2012 | $ 1,767,965 | $ 711 | $ 3,697,828 | $ 12,587 | $ (208,694) | $ (2,002,427) | $ 267,960

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