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Earnings Per Share (Computations of Basic and Diluted EPS) (Details) (USD $) In Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010
Net income (loss) applicable to common shareholders | $ 41,313 | $ (85,551) | $ 67,170 | $ (103,442)
Less: Undistributed net income allocable to participating securities | (514) | 0 | (850) |
Net Income Loss Available To Common Stockholders Basic Net Of Distributions To Securities | 40,799 | (85,551) | 66,320 | (103,442)
Weighted average number of shares outstanding - basic | 104,673 | 104,125 | 104,573 | 103,610
Stock options, Income | 0 | 0 | 0 | 0
Stock options, Shares | 106 | 0 | 90 | 0
Undistributed earnings reallocated to participating securities, value | 3 | 0 | 4 | 0
Undistributed earnings reallocated to participating securities, shares | 0 | 0 | 0 | 0
Convertible Senior Notes, Value | 0 | 0 | 0 | 0
Convertible Senior Notes, Shares | 0 | 0 | 0 | 0
Convertible preferred stock | 10 | 0 | 20 | 0
Convertible preferred stock, Shares | 361 | 0 | 361 | 0
Net income (loss) per common share - Diluted | 40,812 | (85,551) | 66,344 | (103,442)
Weighted Average Number of Shares Outstanding, Diluted, Total | 105,140 | 104,125 | 105,024 | 103,610
Helix [Member] |  |  |  |
Net income (loss) applicable to common shareholders | $ 41,292 | $ (81,156) | $ 67,097 | $ (95,128)

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