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Earnings per Share | 6 Months Ended
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Nov. 30, 2012
Earnings per Share |
Earnings per Share | Note 8 — Earnings per Share The computation of basic earnings per share is based on the weighted average number of common shares outstanding during each period. The computation of diluted earnings per share is based on the weighted average number of common shares outstanding during the period plus, when their effect is dilutive, incremental shares consisting of shares subject to stock options, shares issuable upon vesting of restricted stock awards and shares to be issued upon conversion of convertible debt. We use the “if-converted” method in calculating the diluted earnings per share effect of the assumed conversion of our contingently convertible debt issued in fiscal 2006 because the principal for that issuance can be settled in stock, cash or a combination thereof. Under the “if converted” method, the after-tax effect of interest expense related to the convertible securities is added back to net income, and the convertible debt is assumed to have been converted into common shares at the beginning of the period. In accordance with ASC 260-10-45, Share-Based Payment Arrangements and Participating Securities and the Two-Class Method, our unvested restricted stock awards are deemed participating securities since these shares are entitled to participate in dividends declared on common shares. During periods of net income, the calculation of earnings per share for common stock exclude income attributable to unvested restricted stock awards from the numerator and exclude the dilutive impact of those shares from the denominator. During periods of net loss, no effect is given to the participating securities because they do not share in the losses of the Company. The following table provides a reconciliation of the computations of basic and diluted earnings per share information for the three- and six-month periods ended November 30, 2012 and 2011.
|  | 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 |
At November 30, 2012 and 2011, respectively, stock options to purchase 1,434,020 shares and 267,000 shares of common stock were outstanding but were not included in the computation of diluted earnings per share because the exercise price of each of these options was greater than the average market price of the common shares during the interim periods then ended.

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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 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1252-109256 Reference 2: 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=6945512&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -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 4: 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=6920599&loc=d3e1278-109256 Reference 5: 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 6: 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=6880815&loc=d3e20235-122688 + Details
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