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Long-Term Incentive Employee Compensation (Tables) | 6 Months Ended
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Jun. 30, 2012
Long-Term Incentive Employee Compensation [Abstract] |
Long-term incentive employee compensation costs |
|  | Three Months |  |  | Six Months |
For the Periods Ended June 30 |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Share-based compensation expense, equity-based awards |  | $ | 3.0 |  |  | $ | 3.6 |  |  | $ | 5.8 |  |  | $ | 7.1 |
Share-based compensation expense, liability-based awards |  |  | (0.2 | ) |  |  | 1.0 |  |  |  | 0.4 |  |  |  | 2.3 |
Total share-based compensation expense in operating income (loss) |  |  | 2.8 |  |  |  | 4.6 |  |  |  | 6.2 |  |  |  | 9.4 |
Less: tax benefit |  |  | 1.1 |  |  |  | 1.6 |  |  |  | 2.2 |  |  |  | 3.3 |
Share-based compensation expense, net of tax |  | $ | 1.7 |  |  | $ | 3.0 |  |  | $ | 4.0 |  |  | $ | 6.1 |
Weighted average assumptions |
Dividend yield |  |  | 1.60% |
Expected volatility |  |  | 34.10% |
Expected life (in years) |  |  | 6.9 |
Risk-free rates |  |  | 1.40% |
Grant date fair value |  | $ | 6.71 |

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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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