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Long-Term Incentive Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Restricted Shares Outstanding |
|  | Restricted Share Activity |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Outstanding at beginning of year |  |  | 4,881,782 |  |  |  | 5,013,890 |  |  |  | 5,169,193 |
Granted |  |  | 2,689,542 |  |  |  | 235,050 |  |  |  | 805,776 |
Vested |  |  | (70,549) |  |  |  | (308,692) |  |  |  | (48,009) |
Forfeited |  |  | (180,665) |  |  |  | (58,466) |  |  |  | (913,070) |
Outstanding at end of year |  |  | 7,320,110 |  |  |  | 4,881,782 |  |  |  | 5,013,890 |
Number Of Restricted Share Awards Granted |
|  | Number of Restricted Shares Granted |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Proxy officers |  |  | 2,097,752 |  |  |  | — |  |  |  | 600,000 |
Other |  |  | 591,790 |  |  |  | 235,050 |  |  |  | 205,776 |
Total |  |  | 2,689,542 |  |  |  | 235,050 |  |  |  | 805,776 |
Number Of Significant Options Granted And Assumptions Used For Valuing Option Grants |
|  | March |
|  | 2010 |
Number of options granted |  |  | 1,100,000 |
Exercise price |  | $ | 5.05 |
Dividend yield |  |  | 0.000% |
Expected volatility |  |  | 0.9938 |
Risk-free interest rate |  |  | 2.585% |
Expected option term (in years) |  |  | 5.00 |
Number Of Options Granted |
|  | Number of Options Granted in 2010 |
Proxy officers |  |  | 600,000 |
Other senior officers |  |  | — |
Senior officers |  |  | 600,000 |
Other |  |  | 500,000 |
Total |  |  | 1,100,000 |
Stock Options Outstanding |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Options |  | Number of Shares |  |  | Weighted Average Price Per Share |  |  | Number of Shares |  |  | Weighted Average Price Per Share |  |  | Number of Shares |  |  | Weighted Average Price Per Share |
Outstanding at beginning of year |  |  | 6,425,073 |  |  | $ | 21.3330 |  |  |  | 6,650,947 |  |  | $ | 22.1713 |  |  |  | 7,044,820 |  |  | $ | 25.3110 |
Granted |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,100,000 |  |  |  | 5.0500 |
Expired or canceled |  |  | (461,805) |  |  |  | 50.8330 |  |  |  | (225,874) |  |  |  | 46.0164 |  |  |  | (1,493,873) |  |  |  | 24.3703 |
Outstanding at end of year |  |  | 5,963,268 |  |  | $ | 19.0485 |  |  |  | 6,425,073 |  |  | $ | 21.3330 |  |  |  | 6,650,947 |  |  | $ | 22.1713 |
Exercisable at end of year |  |  | 1,751,173 |  |  | $ | 45.0174 |  |  |  | 2,211,878 |  |  | $ | 46.1478 |  |  |  | 2,050,252 |  |  | $ | 53.1172 |
Weighted average fair value per share of options granted during the year |  |  |  |  |  | $ | — |  |  |  |  |  |  | $ | — |  |  |  |  |  |  | $ | 3.79 |
Outstanding Stock Options |
|  | Stock Options Outstanding |  |  | Stock Options Exercisable |
Range of Average Exercise Price |  | Number of Options |  |  | Weighted Average Remaining Contractual Life in Years |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value (in millions) |  |  | Number of Options |  |  | Weighted Average Remaining Contractual Life in Years |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value (in millions) |
$4.02-$12.50 |  |  | 4,550,000 |  |  |  | 3.03 |  |  | $ | 7.8101 |  |  | $ | 9 |  |  |  | 350,000 |  |  |  | 3.12 |  |  | $ | 4.0200 |  |  | $ | 1 |
$36.69-$55.60 |  |  | 409,707 |  |  |  | 0.31 |  |  |  | 39.7103 |  |  |  | — |  |  |  | 401,612 |  |  |  | 0.32 |  |  |  | 39.5601 |  |  |  | — |
$57.10-$70.86 |  |  | 1,003,561 |  |  |  | 1.61 |  |  |  | 61.5665 |  |  |  | — |  |  |  | 999,561 |  |  |  | 1.62 |  |  |  | 61.5654 |  |  |  | — |
Total |  |  | 5,963,268 |  |  |  | 2.60 |  |  | $ | 19.0485 |  |  | $ | 9 |  |  |  | 1,751,173 |  |  |  | 1.62 |  |  | $ | 45.0174 |  |  | $ | 1 |

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