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Long-Term Incentive Plans (Tables) | 12 Months Ended
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Dec. 31, 2011
Long-Term Incentive Plans [Abstract] |
Restricted Shares Outstanding |
|  | Restricted Share Activity |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Outstanding at beginning of year |  |  | 5,013,890 |  |  |  | 5,169,193 |  |  |  | 3,619,969 |
Granted |  |  | 235,050 |  |  |  | 805,776 |  |  |  | 2,194,686 |
Vested |  |  | (308,692 | ) |  |  | (48,009 | ) |  |  | (77,847 | )
Forfeited |  |  | (58,466 | ) |  |  | (913,070 | ) |  |  | (567,615 | )
Outstanding at end of year |  |  | 4,881,782 |  |  |  | 5,013,890 |  |  |  | 5,169,193 |
Number Of Restricted Share Awards Granted |
|  | Number of Restricted Shares Granted |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Proxy officers |  |  | — |  |  |  | 600,000 |  |  |  | 1,291,990 |
Other |  |  | 235,050 |  |  |  | 205,776 |  |  |  | 902,696 |
Total |  |  | 235,050 |  |  |  | 805,776 |  |  |  | 2,194,686 |
Number Of Significant Options Granted And Assumptions Used For Valuing Option Grants |
|  | March 2010 |  |  | March 2009 |
Number of options granted |  |  | 1,100,000 |  |  |  | 1,900,000 |
Exercise price |  | $ | 5.05 |  |  | $ | 4.02 |
Dividend yield |  |  | 0.000% |  |  |  | 0.705% |
Expected volatility |  |  | 0.9938 |  |  |  | 0.8520 |
Risk-free interest rate |  |  | 2.585% |  |  |  | 2.209% |
Expected option term (in years) |  |  | 5.00 |  |  |  | 5.00 |
Number Of Options Granted |
|  | Number of Options Granted |
|  | 2010 |  |  | 2009 |
Proxy officers |  |  | 600,000 |  |  |  | 1,750,000 |
Other senior officers |  |  | — |  |  |  | — |
Senior officers |  |  | 600,000 |  |  |  | 1,750,000 |
Other |  |  | 500,000 |  |  |  | 150,000 |
Total |  |  | 1,100,000 |  |  |  | 1,900,000 |
Stock Options Outstanding |
|  | 2011 |
Options |  | Number of Shares |  |  | Weighted Avg. Price per Share |
Outstanding at beginning of year |  |  | 6,650,947 |  |  | $ | 22.1713 |
Granted |  |  | — |  |  |  | — |
Expired or canceled |  |  | (225,874 | ) |  |  | 46.0164 |
Outstanding at end of year |  |  | 6,425,073 |  |  | $ | 21.3330 |
Exercisable at end of year |  |  | 2,211,878 |  |  | $ | 46.1478 |
Weighted average fair value per share of options granted during the year |  |  |  |  |  | $ | — |
|  | 2010 |
Options |  | Number of Shares |  |  | Weighted Avg. Price per Share |
Outstanding at beginning of year |  |  | 7,044,820 |  |  | $ | 25.3110 |
Granted |  |  | 1,100,000 |  |  |  | 5.0500 |
Expired or canceled |  |  | (1,493,873 | ) |  |  | 24.3703 |
Outstanding at end of year |  |  | 6,650,947 |  |  | $ | 22.1713 |
Exercisable at end of year |  |  | 2,050,252 |  |  | $ | 53.1172 |
Weighted average fair value per share of options granted during the year |  |  |  |  |  | $ | 3.79 |
|  | 2009 |
Options |  | Number of Shares |  |  | Weighted Avg. Price per Share |
Outstanding at beginning of year |  |  | 6,312,194 |  |  | $ | 34.9822 |
Granted |  |  | 1,900,000 |  |  |  | 4.0200 |
Expired or canceled |  |  | (1,167,374) |  |  |  | 42.9522 |
Outstanding at end of year |  |  | 7,044,820 |  |  | $ | 25.3110 |
Exercisable at end of year |  |  | 2,006,620 |  |  | $ | 50.0301 |
Weighted average fair value per share of options granted during the year |  |  |  |  |  | $ | 2.61 |
Summary Of Outstanding Stock Options |
|  | Stock Options Outstanding |  |  | Stock Options Excercisable |
Range of Average Exercise Price |  | Number of Options |  |  | Weighted Average Remaining Contractual Life in Years |  |  | Weighted Average Exercise Price |  |  | Aggregate Instrinsic Value (in millions) |  |  | Number of Options |  |  | Weighted Average Remaining Contractual Life in Years |  |  | Weighted Average Exercise Price |  |  | Aggregate Instrinsic Value (in millions) |
$4.02-$12.50 |  |  | 4,550,000 |  |  |  | 4.03 |  |  | $ | 7.8101 |  |  | $ | 19 |  |  |  | 350,000 |  |  |  | 4.12 |  |  | $ | 4.0200 |  |  | $ | 3 |
$36.69-$55.60 |  |  | 838,632 |  |  |  | 0.75 |  |  |  | 44.9540 |  |  |  | — |  |  |  | 835,437 |  |  |  | 0.75 |  |  |  | 44.9401 |  |  |  | — |
$57.10-$70.86 |  |  | 1,036,441 |  |  |  | 2.78 |  |  |  | 61.5861 |  |  |  | — |  |  |  | 1,026,441 |  |  |  | 2.76 |  |  |  | 61.4958 |  |  |  | — |
Total |  |  | 6,425,073 |  |  |  | 3.40 |  |  | $ | 21.3330 |  |  | $ | 19 |  |  |  | 2,211,878 |  |  |  | 2.21 |  |  | $ | 46.1478 |  |  | $ | 3 |

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