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Stockholders' Equity Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2013
Equity [Abstract] |
Schedule of stock option award activity | Stock option transactions under the Company’s plans for the years ended December 31, 2013, 2012, and 2011 are summarized as follows:
|  | 2013 |  | 2012 |  | 2011
(shares in thousands) |  | Number of shares |  | Weighted Average Exercise Price |  | Number of shares |  | Weighted Average Exercise Price |  | Number of shares |  | Weighted Average Exercise Price
Outstanding, beginning of year |  | 107 |  |  | $ | 9.33 |  |  | 427 |  |  | $ | 7.51 |  |  | 600 |  |  | $ | 8.11 |
Granted |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Exercised |  | (91 | ) |  | 4.03 |  |  | (319 | ) |  | 6.89 |  |  | (171 | ) |  | 9.53 |
Cancelled |  | (1 | ) |  | 3.90 |  |  | (1 | ) |  | 9.66 |  |  | (2 | ) |  | 16.52 |
Outstanding at end of year |  | 15 |  |  | $ | 42.21 |  |  | 107 |  |  | $ | 9.33 |  |  | 427 |  |  | $ | 7.51 |
Exercisable at end of year |  | 15 |  |  | $ | 42.21 |  |  | 107 |  |  | $ | 9.33 |  |  | 427 |  |  | $ | 7.51 |
Nonvested stock rollforward | Activity under the Company’s nonvested stock awards for the years ended December 31, 2013, 2012 and 2011 was as follows:
(Shares in thousands, $ in millions) |  | 2013 |  | 2012 |  | 2011
|  | Number of shares |  | Weighted Average Grant Date Fair Value |  | Number of shares |  | Weighted Average Grant Date Fair Value |  | Number of shares |  | Weighted Average Grant Date Fair Value
Nonvested, beginning of year |  | 727 |  |  | $ | 38.6 |  |  | 677 |  |  | $ | 36.4 |  |  | 976 |  |  | $ | 33.3 |
Granted |  | 576 |  |  | 16.4 |  |  | 394 |  |  | 16.4 |  |  | 319 |  |  | 19.5 |
Vested |  | (333 | ) |  | (16.4 | ) |  | (343 | ) |  | (14.1 | ) |  | (616 | ) |  | (16.3 | )
Forfeited |  | (43 | ) |  | (1.7 | ) |  | (1 | ) |  | (0.1 | ) |  | (2 | ) |  | (0.1 | )
Nonvested, end of year |  | 927 |  |  | $ | 36.9 |  |  | 727 |  |  | $ | 38.6 |  |  | 677 |  |  | $ | 36.4 |
Tsrp Award Performance | The estimated fair value of each TSRP award, the projected shares to be awarded and future compensation expense to be recognized for TSRP awards, including estimated forfeitures, was as follows: (Shares in thousands, $ in millions)
TSRP Award Performance Period |  | TSRP Award Fair Value |  | December 31, 2013 Unrecognized Compensation Expense |  | Minimum Shares |  | Target Shares |  | Maximum Shares
2011 - 2013 |  | $ | 20.1 |  |  | $ | — |  |  | — |  |  | 158 |  |  | 473 |
2012 - 2014 |  | $ | 8.7 |  |  | 2.9 |  |  | — |  |  | 184 |  |  | 368 |
2013 - 2015 |  | $ | 11.4 |  |  | 7.6 |  |  | — |  |  | 320 |  |  | 641 |
Total |  |  |  | $ | 10.5 |  |  | — |  |  | 662 |  |  | 1,482 |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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