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Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Feb. 28, 2014
|
Feb. 28, 2013
|
Feb. 28, 2014
|
Feb. 28, 2013
|
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| Numerator (basic & diluted): | ||||
| Net earnings attributable to controlling interest - income available to common shareholders | $ 40,603 | $ 37,131 | $ 118,137 | $ 102,919 |
| Denominator: | ||||
| Denominator for basic earnings per share attributable to controlling interest - weighted average common shares | 68,895 | 69,791 | 69,268 | 68,998 |
| Effect of dilutive securities | 2,633 | 2,123 | 2,642 | 1,503 |
| Denominator for diluted earnings per share attributable to controlling interest - adjusted weighted average common shares | 71,528 | 71,914 | 71,910 | 70,501 |
| Basic earnings per share attributable to controlling interest | $ 0.59 | $ 0.53 | $ 1.71 | $ 1.49 |
| Diluted earnings per share attributable to controlling interest | $ 0.57 | $ 0.52 | $ 1.64 | $ 1.46 |