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SHARE-BASED PAYMENTS (Tables) | 9 Months Ended
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Feb. 28, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Weighted average black-scholes assumptions for stock options granted | The weighted average Black-Scholes assumptions for stock options granted during the first three quarters of fiscal 2016 were as follows:
Expected volatility (%) | 17.88
Dividend yield (%) | 2.74
Risk-free interest rate (%) | 1.60
Expected life of stock option (years) | 4.96

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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