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Earnings per Share (Tables) | 6 Months Ended
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Nov. 30, 2012
Earnings per Share |
Reconciliation of the computations of basic and diluted earnings per share information |
|  | Three Months Ended |  | Six Months Ended |
|  | November 30, |  | November 30, |
|  | 2012 |  | 2011 |  | 2012 |  | 2011 |
Basic EPS: |  |  |  |  |  |  |  |  |
Net income attributable to AAR and noncontrolling interest |  | $ | 17.9 |  | $ | 17.6 |  | $ | 36.2 |  | $ | 34.2 |
Less income attributable to participating shares |  | (0.7 | ) | (0.7 | ) | (1.3 | ) | (1.3 | )
Less income attributable to noncontrolling interest |  | (0.1 | ) | — |  | (0.2 | ) | — |
Net income attributable to AAR available to common shareholders |  | $ | 17.1 |  | $ | 16.9 |  | $ | 34.7 |  | $ | 32.9 |
Basic shares: |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  | 38.2 |  | 38.7 |  | 38.4 |  | 38.8 |
Earnings per share — basic |  | $ | 0.45 |  | $ | 0.44 |  | $ | 0.90 |  | $ | 0.85 |
Diluted EPS: |  |  |  |  |  |  |  |  |
Net income attributable to AAR and noncontrolling interest |  | $ | 17.9 |  | $ | 17.6 |  | $ | 36.2 |  | $ | 34.2 |
Less income attributable to participating shares |  | (0.7 | ) | (0.6 | ) | (1.3 | ) | (1.2 | )
Less income attributable to noncontrolling interest |  | (0.1 | ) | — |  | (0.2 | ) | — |
Add after-tax interest on convertible debt |  | 1.2 |  | 1.5 |  | 2.4 |  | 2.9 |
Net income attributable to AAR available to common shareholders |  | $ | 18.3 |  | $ | 18.5 |  | $ | 37.1 |  | $ | 35.9 |
Diluted shares: |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  | 38.2 |  | 38.7 |  | 38.4 |  | 38.8 |
Additional shares from the assumed exercise of stock options |  | 0.1 |  | 0.2 |  | — |  | 0.3 |
Additional shares from the assumed conversion of convertible debt |  | 3.2 |  | 4.1 |  | 3.2 |  | 4.1 |
Weighted average common shares outstanding — diluted |  | 41.5 |  | 43.0 |  | 41.6 |  | 43.2 |
Earnings per share — diluted |  | $ | 0.44 |  | $ | 0.43 |  | $ | 0.89 |  | $ | 0.83 |

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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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