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Net Earnings Per Share | 3 Months Ended
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Mar. 31, 2015
Net Earnings Per Share [Abstract] |
Net Earnings Per Share | (7) Net Earnings Per Share The calculations of net earnings per share – basic and net earnings per share – diluted were as follows:
|  | 3 Months Ended |
|  | March 31, |
|  | 2015 |  |  | 2014 |
Net earnings available to common shareholders |  | $ | 65.7 |  |  | $ | 70.1 |
Weighted-average common shares outstanding (in millions): |  |  |  |  |  |  |  |
Weighted-average common shares outstanding – basic |  |  | 78.7 |  |  |  | 79.8 |
Effect of dilutive securities – stock options |  |  | 0.5 |  |  |  | 0.7 |
Effect of other share-based awards |  |  | 0.4 |  |  |  | 0.7 |
Weighted-average common shares outstanding – diluted |  |  | 79.6 |  |  |  | 81.2 |
Net earnings per share – basic |  | $ | 0.83 |  |  | $ | 0.88 |
Net earnings per share – diluted |  | $ | 0.83 |  |  | $ | 0.86 |
There were 0.7 million and 0.1 million share-based awards excluded from the calculation of net earnings per share – diluted for the three months ended March 31, 2015 and 2014, respectively, as the exercise price for these awards was greater than the average market price of the common shares during the period.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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