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Net Earnings (Loss) Per Share (Tables) | 12 Months Ended
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Dec. 31, 2011
Earnings Per Share [Abstract] |
Net Earnings / (Loss) Per Share | The calculation of Net earnings (loss) per share — basic was as follows:
Year Ended December 31 |  | 2011 |  |  | 2010 |  |  | 2009 |
Net earnings (loss) available to common shareholders | $ | 251.6 |  | $ | (263.6 | ) | $ | (9.2 | )
Weighted-average common shares outstanding (in millions) |  | 81.6 |  |  | 81.0 |  |  | 78.3 |
Total | $ | 3.08 |  | $ | (3.26 | ) | $ | (0.12 | )
The calculation of Net earnings (loss) per share — diluted was as follows:
Year Ended December 31 |  | 2011 |  |  | 2010 |  |  | 2009 |
Net earnings (loss) available to common shareholders | $ | 251.6 |  | $ | (263.6 | ) | $ | (9.2 | )
Weighted-average common shares outstanding (in millions) |  | 81.6 |  |  | 81.0 |  |  | 78.3 |
Effect of dilutive securities — stock options (in millions) |  | 0.7 |  |  | – |  |  | – |
Effect of other share-based awards (in millions) |  | 0.5 |  |  | – |  |  | – |
|  | 82.8 |  |  | 81.0 |  |  | 78.3 |
Total | $ | 3.04 |  | $ | (3.26 | ) | $ | (0.12 | )
Detail of anti-dilutive stock based awards | Due to the net loss for the years ended December 31, 2010 and 2009, the assumed exercise of share-based awards had an antidilutive effect and therefore was not included in the calculation of Net loss per share—diluted. The number, exercise prices and weighted-average remaining life of these antidilutive awards were as follows:
|  | 2011 |  |  | 2010 |  |  | 2009 |
Shares (in thousands) |  | 3,074 |  |  | 6,583 |  |  | 6,231 |
Exercise price ranges | $ | 52–$93 |  | $ | 11–$93 |  | $ | 9–$93 |
Weighted-average remaining life |  | 6.3 years |  |  | 5.8 years |  |  | 6.2 years |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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