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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Feb. 29, 2016
Earnings Per Share [Abstract] |
Schedule of weighted average number of shares | The following table sets forth the computation of diluted weighted-average shares outstanding for the three and nine months ended February 29, 2016 and February 28, 2015 (in thousands):
| Three Months Ended |  | Nine Months Ended
| February 29, 2016 |  | February 28, 2015 |  | February 29, 2016 |  | February 28, 2015
Basic weighted-average shares outstanding | 129,287 |  |  | 133,780 |  |  | 129,709 |  |  | 134,952 |
Plus: Dilutive effect of stock options and other share-based awards | 873 |  |  | 832 |  |  | 846 |  |  | 830 |
Diluted weighted-average shares outstanding | 130,160 |  |  | 134,612 |  |  | 130,555 |  |  | 135,782 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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