Share-Based Compensation - Assumptions Used for Options Granted to Acquire Common Shares and Fair Value at the Date of Grant (Details) |
9 Months Ended |
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Feb. 29, 2016
$ / shares
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| Omnibus Equity Incentive Plan | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Weighted average expected term (in years) | 6 years 8 months 12 days |
| Weighted average expected volatility | 30.54% |
| Weighted average risk-free interest rate | 1.68% |
| Weighted average forfeiture rate | 1.78% |
| Expected dividend yield | 0.00% |
| Weighted average fair value per option granted | $ 3.64 |
| Employee Stock Option [Member] | Employee Inducement Award | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Weighted average expected term (in years) | 6 years 3 months 18 days |
| Weighted average expected volatility | 32.14% |
| Weighted average risk-free interest rate | 1.64% |
| Weighted average forfeiture rate | 3.07% |
| Expected dividend yield | 0.00% |
| Weighted average fair value per option granted | $ 2.21 |
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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Forfeiture Rate No definition available.
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average expected volatility rate of share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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